diff --git a/ds000117/sub-01/ses-meg/meg/sub-01_ses-meg_coordsystem.json b/ds000117/sub-01/ses-meg/meg/sub-01_ses-meg_coordsystem.json
index ae9228588..5beda5d81 100644
--- a/ds000117/sub-01/ses-meg/meg/sub-01_ses-meg_coordsystem.json
+++ b/ds000117/sub-01/ses-meg/meg/sub-01_ses-meg_coordsystem.json
@@ -28,5 +28,5 @@
  "HeadCoilCoordinateSystemDescription": "5 HPI coils used",
  "AnatomicalLandmarkCoordinateSystemDescription": "For images of anatomical landmarks, see http://imaging.mrc-cbu.cam.ac.uk/meg/SubjectPreparation",
  "FiducialsDescription": "For images of anatomical landmarks, see http://imaging.mrc-cbu.cam.ac.uk/meg/SubjectPreparation",
- "IntendedFor": "sub-01/ses-mri/anat/sub-01_ses-mri_acq-mprage_T1w.nii.gz"
+ "IntendedFor": "ses-mri/anat/sub-01_ses-mri_acq-mprage_T1w.nii.gz"
 }
diff --git a/ds000117/sub-02/ses-meg/meg/sub-02_ses-meg_coordsystem.json b/ds000117/sub-02/ses-meg/meg/sub-02_ses-meg_coordsystem.json
index b8a9859ad..b2497ce1f 100644
--- a/ds000117/sub-02/ses-meg/meg/sub-02_ses-meg_coordsystem.json
+++ b/ds000117/sub-02/ses-meg/meg/sub-02_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-02/ses-mri/anat/sub-02_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-02_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-69.66,0,0],
   "RPA": [71.69,0,0],
diff --git a/ds000117/sub-03/ses-meg/meg/sub-03_ses-meg_coordsystem.json b/ds000117/sub-03/ses-meg/meg/sub-03_ses-meg_coordsystem.json
index 65b137ba6..7489856ef 100644
--- a/ds000117/sub-03/ses-meg/meg/sub-03_ses-meg_coordsystem.json
+++ b/ds000117/sub-03/ses-meg/meg/sub-03_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-03/ses-mri/anat/sub-03_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-03_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-72.22,0,0],
   "RPA": [73.09,0,0],
diff --git a/ds000117/sub-04/ses-meg/meg/sub-04_ses-meg_coordsystem.json b/ds000117/sub-04/ses-meg/meg/sub-04_ses-meg_coordsystem.json
index f34134af9..94da86fc2 100644
--- a/ds000117/sub-04/ses-meg/meg/sub-04_ses-meg_coordsystem.json
+++ b/ds000117/sub-04/ses-meg/meg/sub-04_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-04/ses-mri/anat/sub-04_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-04_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-70.16,0,0],
   "RPA": [75.06999999999999,0,0],
diff --git a/ds000117/sub-05/ses-meg/meg/sub-05_ses-meg_coordsystem.json b/ds000117/sub-05/ses-meg/meg/sub-05_ses-meg_coordsystem.json
index 14ffc1336..826856fc0 100644
--- a/ds000117/sub-05/ses-meg/meg/sub-05_ses-meg_coordsystem.json
+++ b/ds000117/sub-05/ses-meg/meg/sub-05_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-05/ses-mri/anat/sub-05_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-05_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-65.59,0,0],
   "RPA": [60.39,0,0],
diff --git a/ds000117/sub-06/ses-meg/meg/sub-06_ses-meg_coordsystem.json b/ds000117/sub-06/ses-meg/meg/sub-06_ses-meg_coordsystem.json
index 017326c93..2730a850f 100644
--- a/ds000117/sub-06/ses-meg/meg/sub-06_ses-meg_coordsystem.json
+++ b/ds000117/sub-06/ses-meg/meg/sub-06_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-06/ses-mri/anat/sub-06_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-06_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-75.95999999999999,0,0],
   "RPA": [73.20999999999999,0,0],
diff --git a/ds000117/sub-07/ses-meg/meg/sub-07_ses-meg_coordsystem.json b/ds000117/sub-07/ses-meg/meg/sub-07_ses-meg_coordsystem.json
index 4b35446cc..2e765f53a 100644
--- a/ds000117/sub-07/ses-meg/meg/sub-07_ses-meg_coordsystem.json
+++ b/ds000117/sub-07/ses-meg/meg/sub-07_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-07/ses-mri/anat/sub-07_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-07_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-69.81,0,0],
   "RPA": [65.51000000000001,0,0],
diff --git a/ds000117/sub-08/ses-meg/meg/sub-08_ses-meg_coordsystem.json b/ds000117/sub-08/ses-meg/meg/sub-08_ses-meg_coordsystem.json
index 72ee8e70c..3ecafa6fd 100644
--- a/ds000117/sub-08/ses-meg/meg/sub-08_ses-meg_coordsystem.json
+++ b/ds000117/sub-08/ses-meg/meg/sub-08_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-08/ses-mri/anat/sub-08_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-08_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-69.53,0,0],
   "RPA": [69.76000000000001,0,0],
diff --git a/ds000117/sub-09/ses-meg/meg/sub-09_ses-meg_coordsystem.json b/ds000117/sub-09/ses-meg/meg/sub-09_ses-meg_coordsystem.json
index 733c866ea..966a52d26 100644
--- a/ds000117/sub-09/ses-meg/meg/sub-09_ses-meg_coordsystem.json
+++ b/ds000117/sub-09/ses-meg/meg/sub-09_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-09/ses-mri/anat/sub-09_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-09_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-66.77,0,0],
   "RPA": [70.31999999999999,0,0],
diff --git a/ds000117/sub-10/ses-meg/meg/sub-10_ses-meg_coordsystem.json b/ds000117/sub-10/ses-meg/meg/sub-10_ses-meg_coordsystem.json
index 730882c79..a9cc149ce 100644
--- a/ds000117/sub-10/ses-meg/meg/sub-10_ses-meg_coordsystem.json
+++ b/ds000117/sub-10/ses-meg/meg/sub-10_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-10/ses-mri/anat/sub-10_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-10_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-73.55,0,0],
   "RPA": [73.18000000000001,0,0],
diff --git a/ds000117/sub-11/ses-meg/meg/sub-11_ses-meg_coordsystem.json b/ds000117/sub-11/ses-meg/meg/sub-11_ses-meg_coordsystem.json
index 51cb5bc7d..1dcff605a 100644
--- a/ds000117/sub-11/ses-meg/meg/sub-11_ses-meg_coordsystem.json
+++ b/ds000117/sub-11/ses-meg/meg/sub-11_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-11/ses-mri/anat/sub-11_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-11_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-66.55,0,0],
   "RPA": [66.06999999999999,0,0],
diff --git a/ds000117/sub-12/ses-meg/meg/sub-12_ses-meg_coordsystem.json b/ds000117/sub-12/ses-meg/meg/sub-12_ses-meg_coordsystem.json
index a70ebeceb..846622ce8 100644
--- a/ds000117/sub-12/ses-meg/meg/sub-12_ses-meg_coordsystem.json
+++ b/ds000117/sub-12/ses-meg/meg/sub-12_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-12/ses-mri/anat/sub-12_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-12_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-72.04000000000001,0,0],
   "RPA": [70.20999999999999,0,0],
diff --git a/ds000117/sub-13/ses-meg/meg/sub-13_ses-meg_coordsystem.json b/ds000117/sub-13/ses-meg/meg/sub-13_ses-meg_coordsystem.json
index 28ef0c874..0d1a5f6c3 100644
--- a/ds000117/sub-13/ses-meg/meg/sub-13_ses-meg_coordsystem.json
+++ b/ds000117/sub-13/ses-meg/meg/sub-13_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-13/ses-mri/anat/sub-13_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-13_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-66.17,0,0],
   "RPA": [63.6,0,0],
diff --git a/ds000117/sub-14/ses-meg/meg/sub-14_ses-meg_coordsystem.json b/ds000117/sub-14/ses-meg/meg/sub-14_ses-meg_coordsystem.json
index 36ee04d39..472c8fdb8 100644
--- a/ds000117/sub-14/ses-meg/meg/sub-14_ses-meg_coordsystem.json
+++ b/ds000117/sub-14/ses-meg/meg/sub-14_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-14/ses-mri/anat/sub-14_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-14_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-64.84,0,0],
   "RPA": [68.53,0,0],
diff --git a/ds000117/sub-15/ses-meg/meg/sub-15_ses-meg_coordsystem.json b/ds000117/sub-15/ses-meg/meg/sub-15_ses-meg_coordsystem.json
index de1cc3259..23d1ff37c 100644
--- a/ds000117/sub-15/ses-meg/meg/sub-15_ses-meg_coordsystem.json
+++ b/ds000117/sub-15/ses-meg/meg/sub-15_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-15/ses-mri/anat/sub-15_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-15_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-77.26000000000001,0,0],
   "RPA": [77.78,0,0],
diff --git a/ds000117/sub-16/ses-meg/meg/sub-16_ses-meg_coordsystem.json b/ds000117/sub-16/ses-meg/meg/sub-16_ses-meg_coordsystem.json
index ff2fc610f..489907c6e 100644
--- a/ds000117/sub-16/ses-meg/meg/sub-16_ses-meg_coordsystem.json
+++ b/ds000117/sub-16/ses-meg/meg/sub-16_ses-meg_coordsystem.json
@@ -9,7 +9,7 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-16/ses-mri/anat/sub-16_ses-mri_acq-mprage_T1w.nii.gz",
+ "IntendedFor": "ses-mri/anat/sub-16_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-72.42,0,0],
   "RPA": [77.79000000000001,0,0],
diff --git a/ds000246/sub-0001/meg/sub-0001_coordsystem.json b/ds000246/sub-0001/meg/sub-0001_coordsystem.json
index 7c53d5374..e57212bd3 100644
--- a/ds000246/sub-0001/meg/sub-0001_coordsystem.json
+++ b/ds000246/sub-0001/meg/sub-0001_coordsystem.json
@@ -4,7 +4,7 @@
 "EEGCoordinateSystem":"CTF",
 "EEGCoordinateUnits":"cm",
 "EEGCoordinateSystemDescription":"The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
-"IntendedFor":"ds000246_R1.0.0/sub-0001/anat/sub-0001_T1w.nii.gz",
+"IntendedFor":"anat/sub-0001_T1w.nii.gz",
 "HeadCoilCoordinates":{
 "coil1":[10.61095674,-0.01532629,-0.00407281],
 "coil2":[0.2701708,6.81335558,0.0013436],
diff --git a/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_coordsystem.json b/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_coordsystem.json
index 98b716e77..a1740d659 100644
--- a/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_coordsystem.json
+++ b/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_coordsystem.json
@@ -5,7 +5,7 @@
   "EEGCoordinateSystem": "CTF",
   "EEGCoordinateUnits": "cm",
   "EEGCoordinateSystemDescription": "The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
-  "IntendedFor": "/sub-0002/ses-0001/anat/sub-0002_ses-0001_T1w.nii.gz",
+  "IntendedFor": "ses-0001/anat/sub-0002_ses-0001_T1w.nii.gz",
   "HeadCoilCoordinates": {
     "coil1": [
       9.56534852,
diff --git a/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_task-rest_run-01_meg.json b/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_task-rest_run-01_meg.json
index 9c9a21b6c..07037da82 100644
--- a/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_task-rest_run-01_meg.json
+++ b/ds000247/sub-0002/ses-0001/meg/sub-0002_ses-0001_task-rest_run-01_meg.json
@@ -25,5 +25,5 @@
     "ContinuousHeadLocalization":false,
     "DigitizedLandmarks":false,
     "DigitizedHeadPoints":true,
-    "AssociatedEmptyRoom":"/sub-emptyroom/ses-18901014/meg/sub-emptyroom_ses-18901014_task-noise_run-01_meg.ds"
+    "AssociatedEmptyRoom":"sub-emptyroom/ses-18901014/meg/sub-emptyroom_ses-18901014_task-noise_run-01_meg.ds"
 }
\ No newline at end of file
diff --git a/ds000247/sub-0003/ses-0001/meg/sub-0003_ses-0001_coordsystem.json b/ds000247/sub-0003/ses-0001/meg/sub-0003_ses-0001_coordsystem.json
index a05a686c3..52a92b646 100644
--- a/ds000247/sub-0003/ses-0001/meg/sub-0003_ses-0001_coordsystem.json
+++ b/ds000247/sub-0003/ses-0001/meg/sub-0003_ses-0001_coordsystem.json
@@ -5,7 +5,7 @@
   "EEGCoordinateSystem": "CTF",
   "EEGCoordinateUnits": "cm",
   "EEGCoordinateSystemDescription": "The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
-  "IntendedFor": "ds000247_R1.0.0/sub-0003/ses-0001/anat/sub-0003_ses-0001_T1w.nii.gz",
+  "IntendedFor": "ses-0001/anat/sub-0003_ses-0001_T1w.nii.gz",
   "HeadCoilCoordinates": {
     "coil1": [
       8.85858694,
diff --git a/ds000247/sub-0004/ses-0001/meg/sub-0004_ses-0001_coordsystem.json b/ds000247/sub-0004/ses-0001/meg/sub-0004_ses-0001_coordsystem.json
index 5dd00f7f2..d971eab3c 100644
--- a/ds000247/sub-0004/ses-0001/meg/sub-0004_ses-0001_coordsystem.json
+++ b/ds000247/sub-0004/ses-0001/meg/sub-0004_ses-0001_coordsystem.json
@@ -4,7 +4,7 @@
  "EEGCoordinateSystem":"CTF",
  "EEGCoordinateUnits":"cm",
  "EEGCoordinateSystemDescription":"The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
- "IntendedFor":"ds000247_R1.0.0/sub-0004/ses-0001/anat/sub-0004_ses-0001_T1w.nii.gz",
+ "IntendedFor":"ses-0001/anat/sub-0004_ses-0001_T1w.nii.gz",
  "HeadCoilCoordinates":{
    "coil1":[9.83194534,-0.00051169,0.11186294],
    "coil2":[-0.00611115,6.57947207,-0.10370692],
diff --git a/ds000247/sub-0006/ses-0001/meg/sub-0006_ses-0001_coordsystem.json b/ds000247/sub-0006/ses-0001/meg/sub-0006_ses-0001_coordsystem.json
index cb5bbaf24..7dd29040f 100644
--- a/ds000247/sub-0006/ses-0001/meg/sub-0006_ses-0001_coordsystem.json
+++ b/ds000247/sub-0006/ses-0001/meg/sub-0006_ses-0001_coordsystem.json
@@ -4,7 +4,7 @@
  "EEGCoordinateSystem":"CTF",
  "EEGCoordinateUnits":"cm",
  "EEGCoordinateSystemDescription":"The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
- "IntendedFor":"/sub-0006/ses-0001/anat/sub-0006_ses-0001_T1w.nii.gz",
+ "IntendedFor":"ses-0001/anat/sub-0006_ses-0001_T1w.nii.gz",
  "HeadCoilCoordinates":{
    "coil1":[10.35104974,-0.00501147,-0.02433402],
    "coil2":[0.42711852,7.16157294,0.00237986],
diff --git a/ds000247/sub-0007/ses-0001/meg/sub-0007_ses-0001_coordsystem.json b/ds000247/sub-0007/ses-0001/meg/sub-0007_ses-0001_coordsystem.json
index 753069846..2ceb11188 100644
--- a/ds000247/sub-0007/ses-0001/meg/sub-0007_ses-0001_coordsystem.json
+++ b/ds000247/sub-0007/ses-0001/meg/sub-0007_ses-0001_coordsystem.json
@@ -4,7 +4,7 @@
  "EEGCoordinateSystem":"CTF",
  "EEGCoordinateUnits":"cm",
  "EEGCoordinateSystemDescription":"The origin is exactly between LPA and RPA; the X-axis goes towards NAS; the Y-axis goes approximately towards LPA, orthogonal to X and in the plane spanned by the fiducials; the Z-axis goes approximately towards the vertex, orthogonal to X and Y",
- "IntendedFor":"/sub-0007/ses-0001/anat/sub-0007_ses-0001_T1w.nii.gz",
+ "IntendedFor":"ses-0001/anat/sub-0007_ses-0001_T1w.nii.gz",
  "HeadCoilCoordinates":{
    "coil1":[9.64081113,0.05215993,0.05933768],
    "coil2":[-0.03473186,7.06730299,-0.07866974],
diff --git a/eeg_ds003645s_hed_demo/sub-004/ses-1/sub-004_ses-1_task-FacePerception_coordsystem.json b/eeg_ds003645s_hed_demo/sub-004/ses-1/sub-004_ses-1_task-FacePerception_coordsystem.json
index 65b137ba6..66c79524d 100644
--- a/eeg_ds003645s_hed_demo/sub-004/ses-1/sub-004_ses-1_task-FacePerception_coordsystem.json
+++ b/eeg_ds003645s_hed_demo/sub-004/ses-1/sub-004_ses-1_task-FacePerception_coordsystem.json
@@ -9,7 +9,6 @@
  "DigitizedHeadPointsCoordinateSystem": "ElektaNeuromag",
  "DigitizedHeadPointsCoordinateUnits": "mm",
  "DigitizedHeadPointsCoordinateSystemDescription": "Headpoints include arcs of points along front of head and around nose, as well as centre of 70 EEG electrodes spread across scalp, which also help define headshape. Beware that nose points can bias coregistration with MRI if MRI image does not include all of the nose.",
- "IntendedFor": "sub-03/ses-mri/anat/sub-03_ses-mri_acq-mprage_T1w.nii.gz",
  "AnatomicalLandmarkCoordinates": {
   "LPA": [-72.22,0,0],
   "RPA": [73.09,0,0],
diff --git a/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-ACPC_coordsystem.json
index a939711c8..cfd5ac1f3 100644
--- a/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-bp/ses-01/anat/sub-bp_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-bp/ses-01/anat/sub-bp_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-bp/ses-01/ieeg/sub-bp_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-ACPC_coordsystem.json
index cf8fdb1eb..3ea7d3d7d 100644
--- a/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-ca/ses-01/anat/sub-ca_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-ca/ses-01/anat/sub-ca_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-ca/ses-01/ieeg/sub-ca_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-ACPC_coordsystem.json
index 63fabd932..1c4e82d3d 100644
--- a/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-cc/ses-01/anat/sub-cc_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-cc/ses-01/anat/sub-cc_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-cc/ses-01/ieeg/sub-cc_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-de/ses-01/ieeg/sub-de_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-de/ses-01/ieeg/sub-de_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-de/ses-01/ieeg/sub-de_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-de/ses-01/ieeg/sub-de_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-fp/ses-01/ieeg/sub-fp_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-fp/ses-01/ieeg/sub-fp_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-fp/ses-01/ieeg/sub-fp_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-fp/ses-01/ieeg/sub-fp_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-gc/ses-01/ieeg/sub-gc_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-gc/ses-01/ieeg/sub-gc_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-gc/ses-01/ieeg/sub-gc_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-gc/ses-01/ieeg/sub-gc_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-hh/ses-01/ieeg/sub-hh_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-hh/ses-01/ieeg/sub-hh_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-hh/ses-01/ieeg/sub-hh_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-hh/ses-01/ieeg/sub-hh_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-ACPC_coordsystem.json
index 186be85d6..e809fdc46 100644
--- a/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-hl/ses-01/anat/sub-hl_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-hl/ses-01/anat/sub-hl_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-hl/ses-01/ieeg/sub-hl_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-ACPC_coordsystem.json
index 893e24da1..957f0b272 100644
--- a/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-jc/ses-01/anat/sub-jc_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-jc/ses-01/anat/sub-jc_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-jc/ses-01/ieeg/sub-jc_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-jm/ses-01/ieeg/sub-jm_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-jm/ses-01/ieeg/sub-jm_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-jm/ses-01/ieeg/sub-jm_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-jm/ses-01/ieeg/sub-jm_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-jt/ses-01/ieeg/sub-jt_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-jt/ses-01/ieeg/sub-jt_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-jt/ses-01/ieeg/sub-jt_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-jt/ses-01/ieeg/sub-jt_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-rh/ses-01/ieeg/sub-rh_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-rh/ses-01/ieeg/sub-rh_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-rh/ses-01/ieeg/sub-rh_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-rh/ses-01/ieeg/sub-rh_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-rr/ses-01/ieeg/sub-rr_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-rr/ses-01/ieeg/sub-rr_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-rr/ses-01/ieeg/sub-rr_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-rr/ses-01/ieeg/sub-rr_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-ug/ses-01/ieeg/sub-ug_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-ug/ses-01/ieeg/sub-ug_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-ug/ses-01/ieeg/sub-ug_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-ug/ses-01/ieeg/sub-ug_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-ACPC_coordsystem.json
index 6d44d3417..4fc88576a 100644
--- a/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-wc/ses-01/anat/sub-wc_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-wc/ses-01/anat/sub-wc_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-wc/ses-01/ieeg/sub-wc_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-ACPC_coordsystem.json b/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-ACPC_coordsystem.json
index 91f5016b2..655e910fc 100644
--- a/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-ACPC_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-ACPC_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-zt/ses-01/anat/sub-zt_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-zt/ses-01/anat/sub-zt_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin at anterior commissure (AC), negative y-axis going through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-Talairach_coordsystem.json b/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-Talairach_coordsystem.json
index 657219191..23645be20 100644
--- a/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-Talairach_coordsystem.json
+++ b/ieeg_motorMiller2007/sub-zt/ses-01/ieeg/sub-zt_ses-01_space-Talairach_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-Talairach/ses-01/anat/sub-Talairach_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "Talairach",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Talairach space RAS",
diff --git a/ieeg_visual/sub-01/ses-01/ieeg/sub-01_ses-01_coordsystem.json b/ieeg_visual/sub-01/ses-01/ieeg/sub-01_ses-01_coordsystem.json
index 32bcd8ab0..bfc377a55 100644
--- a/ieeg_visual/sub-01/ses-01/ieeg/sub-01_ses-01_coordsystem.json
+++ b/ieeg_visual/sub-01/ses-01/ieeg/sub-01_ses-01_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/derivatives/surfaces/sub-01/ses-01/anat/sub-01_ses-01_hemi-R_pial.surf.gii",
+    "IntendedFor": "derivatives/surfaces/sub-01/ses-01/anat/sub-01_ses-01_hemi-R_pial.surf.gii",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin close to the anterior commissure (AC), negative y-axis going more or less through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",
diff --git a/ieeg_visual/sub-02/ses-01/ieeg/sub-02_ses-01_coordsystem.json b/ieeg_visual/sub-02/ses-01/ieeg/sub-02_ses-01_coordsystem.json
index 340f9688b..9bab99be2 100644
--- a/ieeg_visual/sub-02/ses-01/ieeg/sub-02_ses-01_coordsystem.json
+++ b/ieeg_visual/sub-02/ses-01/ieeg/sub-02_ses-01_coordsystem.json
@@ -1,5 +1,5 @@
 {
-    "IntendedFor": "/sub-02/ses-01/anat/sub-02_ses-01_T1w.nii.gz",
+    "IntendedFor": "sub-02/ses-01/anat/sub-02_ses-01_T1w.nii.gz",
     "iEEGCoordinateSystem": "ACPC",
     "iEEGCoordinateUnits": "mm",
     "iEEGCoordinateSystemDescription": "Coordinate system with the origin close to the anterior commissure (AC), negative y-axis going more or less through the posterior commissure (PC), z-axis going to a mid-hemisperic point which lies superior to the AC-PC line, x-axis going to the right",