diff --git a/src/ptbench/data/mc_ch/fold_0.py b/src/ptbench/data/mc_ch/fold_0.py
index eeb8f5128f56dc41f383ebd1d58b67b8cfd5ae27..d3717d6fe5b821afd492528292a863676cd38e4c 100644
--- a/src/ptbench/data/mc_ch/fold_0.py
+++ b/src/ptbench/data/mc_ch/fold_0.py
@@ -2,7 +2,9 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 0)"""
+
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_0_rgb.py b/src/ptbench/data/mc_ch/fold_0_rgb.py
index 6c8c5aebce6a1b972a8f418a66ff2d7cbdc5ae30..21cadfd4ab64859e18dec6d331079e30d632f505 100644
--- a/src/ptbench/data/mc_ch/fold_0_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_0_rgb.py
@@ -2,7 +2,9 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 0, RGB)"""
+
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_1.py b/src/ptbench/data/mc_ch/fold_1.py
index b6bcb0f70e15097da82a2b8f824ee7178e5f1972..2fb8136b648f89dbedae601fc1e3d5d7008926cd 100644
--- a/src/ptbench/data/mc_ch/fold_1.py
+++ b/src/ptbench/data/mc_ch/fold_1.py
@@ -2,7 +2,9 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 1)"""
+
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_1_rgb.py b/src/ptbench/data/mc_ch/fold_1_rgb.py
index 2570951009386568ac10cf4a7de705c54ea71a9b..f83ac9a6c4c7d53d3b0a9d53cfb61321ed195e30 100644
--- a/src/ptbench/data/mc_ch/fold_1_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_1_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 1, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_2.py b/src/ptbench/data/mc_ch/fold_2.py
index e3ac99ece5ded748c6d1cd772846986e3ff1d9d0..4ef0dd55b40712cc17039fede1f3837e7e9c67b5 100644
--- a/src/ptbench/data/mc_ch/fold_2.py
+++ b/src/ptbench/data/mc_ch/fold_2.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 2)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_2_rgb.py b/src/ptbench/data/mc_ch/fold_2_rgb.py
index 1bbce20d34d7d2083fc4fb35effd6022b6028b28..067c030e2aedb3e31e244929d018f08dac00f17d 100644
--- a/src/ptbench/data/mc_ch/fold_2_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_2_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 2, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_3.py b/src/ptbench/data/mc_ch/fold_3.py
index ed58cac744caa2e7a30378c90c967d2406a30ef5..3c86f11ccaed5cb1fea8854d81fc704b28f4b2c1 100644
--- a/src/ptbench/data/mc_ch/fold_3.py
+++ b/src/ptbench/data/mc_ch/fold_3.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 3)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_3_rgb.py b/src/ptbench/data/mc_ch/fold_3_rgb.py
index 7d9401f0ece0f316c958cebb2eed35f5ec0cabbc..482b5e62fa46d8e939a0682d96db458d6beba27b 100644
--- a/src/ptbench/data/mc_ch/fold_3_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_3_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 3, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_4.py b/src/ptbench/data/mc_ch/fold_4.py
index 761d730e0c4a00c230ec47be966d52bfce72c3bc..c0e085329a870315bee3dbdddfd58f83037fcd5d 100644
--- a/src/ptbench/data/mc_ch/fold_4.py
+++ b/src/ptbench/data/mc_ch/fold_4.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 4)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_4_rgb.py b/src/ptbench/data/mc_ch/fold_4_rgb.py
index 3f1a147634fa41d06299765ec44aab2d1271e429..a6b638cd09b9eac182172469eb671e4da854b5e6 100644
--- a/src/ptbench/data/mc_ch/fold_4_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_4_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 4, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_5.py b/src/ptbench/data/mc_ch/fold_5.py
index 01a8f31ebca9871ce5e5cee8e5c9106c86335362..ca205eb3a84adc79899c64850f8abf5040206b90 100644
--- a/src/ptbench/data/mc_ch/fold_5.py
+++ b/src/ptbench/data/mc_ch/fold_5.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 5)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_5_rgb.py b/src/ptbench/data/mc_ch/fold_5_rgb.py
index cf66986fe9b48119f0a5510ad6d7547513542346..48bf3935ee99b9cd18f4bd055f1009cc8b13f9fc 100644
--- a/src/ptbench/data/mc_ch/fold_5_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_5_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 5, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_6.py b/src/ptbench/data/mc_ch/fold_6.py
index 5b488da973f00e5a6718eac6117016ccfe3a359f..42a6bb5812f0af7458dd2c0b791a12418f049921 100644
--- a/src/ptbench/data/mc_ch/fold_6.py
+++ b/src/ptbench/data/mc_ch/fold_6.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 6)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_6_rgb.py b/src/ptbench/data/mc_ch/fold_6_rgb.py
index ecadb9bfabfd1348281c63eb97339c5bad990f6a..00b8d5a1a136566dc372090cb71b9daeaee2d6cb 100644
--- a/src/ptbench/data/mc_ch/fold_6_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_6_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 6, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_7.py b/src/ptbench/data/mc_ch/fold_7.py
index 6514fd1aba701fff1dcaaaf4791d6ae9b861de22..082c0267b41abc67e30ee1db8c650adfe1582890 100644
--- a/src/ptbench/data/mc_ch/fold_7.py
+++ b/src/ptbench/data/mc_ch/fold_7.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 7)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_7_rgb.py b/src/ptbench/data/mc_ch/fold_7_rgb.py
index 9123adf3676c08acbd7d32a1b2747ffd314dae38..a1c3a8f257280f3c4e1871920fd2bafb1fb2a8e2 100644
--- a/src/ptbench/data/mc_ch/fold_7_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_7_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 7, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_8.py b/src/ptbench/data/mc_ch/fold_8.py
index e60506363bf508a39f3bb2c9806f8bd3bcc9e83c..814fd9a41d7980984a4ccb854ba065a96d72dd37 100644
--- a/src/ptbench/data/mc_ch/fold_8.py
+++ b/src/ptbench/data/mc_ch/fold_8.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 8)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_8_rgb.py b/src/ptbench/data/mc_ch/fold_8_rgb.py
index 4ff54baa2f5424993ed747edd4ba136da9324981..c91e8a322653fd7c8f63d7064da382f3a3253f1e 100644
--- a/src/ptbench/data/mc_ch/fold_8_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_8_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 8, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_9.py b/src/ptbench/data/mc_ch/fold_9.py
index cdd69ba7deeeb2759cdabc1134379145d5537696..a1d564e6d688416308cd897f947d4e99f7970e3b 100644
--- a/src/ptbench/data/mc_ch/fold_9.py
+++ b/src/ptbench/data/mc_ch/fold_9.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 9)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/fold_9_rgb.py b/src/ptbench/data/mc_ch/fold_9_rgb.py
index 465e6c3d3d2c65eb367f7a97d7bb296a3be3dab1..db847b2256407ad1d4f5542e04100578f02b18f6 100644
--- a/src/ptbench/data/mc_ch/fold_9_rgb.py
+++ b/src/ptbench/data/mc_ch/fold_9_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen datasets (cross
+validation fold 9, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch/rgb.py b/src/ptbench/data/mc_ch/rgb.py
index 4eee3c86f6150859a45ecd0e5e9d22dc45adc637..53778be115606d49140fba2ce63eb12c469ac6d2 100644
--- a/src/ptbench/data/mc_ch/rgb.py
+++ b/src/ptbench/data/mc_ch/rgb.py
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery and Shenzhen (RGB) datasets."""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/default.py b/src/ptbench/data/mc_ch_in/default.py
index 7d2d6fc0accce0409d0eb0ae51c7ffba03bada15..485173aa82e4a0b5ecf9eae0a62a4de50b1b9663 100644
--- a/src/ptbench/data/mc_ch_in/default.py
+++ b/src/ptbench/data/mc_ch_in/default.py
@@ -2,7 +2,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets."""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_0.py b/src/ptbench/data/mc_ch_in/fold_0.py
index 66e9e07e32c51453a6ac379e6749acb5891e638a..db749a38fca70233ecb361aab82907238476ba6e 100644
--- a/src/ptbench/data/mc_ch_in/fold_0.py
+++ b/src/ptbench/data/mc_ch_in/fold_0.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 0)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_0_rgb.py b/src/ptbench/data/mc_ch_in/fold_0_rgb.py
index bb4b7fc1f4d034e68c774846da7dbd2909457ccf..7d7a1fed0a26c70dc4e771efcb05210e15414b34 100644
--- a/src/ptbench/data/mc_ch_in/fold_0_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_0_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 0, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_1.py b/src/ptbench/data/mc_ch_in/fold_1.py
index d98c097e234ec0521a3853e650961655951d6b9a..033f5bc5e386661b9917ea73872a7a7411730874 100644
--- a/src/ptbench/data/mc_ch_in/fold_1.py
+++ b/src/ptbench/data/mc_ch_in/fold_1.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 1)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_1_rgb.py b/src/ptbench/data/mc_ch_in/fold_1_rgb.py
index 32a94a5d68567ab4361686ac11118330e0b911b0..c7d194711aca1000896a05240ee02fcfda3ad331 100644
--- a/src/ptbench/data/mc_ch_in/fold_1_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_1_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 1, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_2.py b/src/ptbench/data/mc_ch_in/fold_2.py
index 15eaf1aa9c6515c3d8e892930baa00fb2c9f0aac..bcd7654c5a4f6ed6e515105f77fda6608f289db0 100644
--- a/src/ptbench/data/mc_ch_in/fold_2.py
+++ b/src/ptbench/data/mc_ch_in/fold_2.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 2)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_2_rgb.py b/src/ptbench/data/mc_ch_in/fold_2_rgb.py
index 4582172feaf3eaa390b1d403c6c2cc6d92757e58..f2bdebffb373f788e10ccae760bdd487b632066e 100644
--- a/src/ptbench/data/mc_ch_in/fold_2_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_2_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 2, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_3.py b/src/ptbench/data/mc_ch_in/fold_3.py
index 54b8e1c56c8f0d4b07d5c5d96930dfd0a2dac401..e09e6080393f37f8709ef15f260a1dc8402e5867 100644
--- a/src/ptbench/data/mc_ch_in/fold_3.py
+++ b/src/ptbench/data/mc_ch_in/fold_3.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 3)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_3_rgb.py b/src/ptbench/data/mc_ch_in/fold_3_rgb.py
index bcc22dad4850153e13dcb9c0fb6428555ec2d25e..4646b1c8c7cb36739d79cce1a8e9cc7c4b66962a 100644
--- a/src/ptbench/data/mc_ch_in/fold_3_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_3_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 3, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_4.py b/src/ptbench/data/mc_ch_in/fold_4.py
index a3dde80192f8e922bec9f0aae4aaf7bc85a75b40..cd472c6b7964802eb03a184449e6915451855800 100644
--- a/src/ptbench/data/mc_ch_in/fold_4.py
+++ b/src/ptbench/data/mc_ch_in/fold_4.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 4)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_4_rgb.py b/src/ptbench/data/mc_ch_in/fold_4_rgb.py
index ee076ac0930f63bf0ebebb579ff0e4189d555b37..118fd6234cf7a649c55011a48859c5b426b92734 100644
--- a/src/ptbench/data/mc_ch_in/fold_4_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_4_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 4, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_5.py b/src/ptbench/data/mc_ch_in/fold_5.py
index dcbf4fbb3721786b7953a0366df6f9ca1bf0077a..9afdb1f98a93d35a577e5df2ce8800bb6a5fcbe1 100644
--- a/src/ptbench/data/mc_ch_in/fold_5.py
+++ b/src/ptbench/data/mc_ch_in/fold_5.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 5)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_5_rgb.py b/src/ptbench/data/mc_ch_in/fold_5_rgb.py
index 660037c67dc0c3fc878179d398fb95a73189cfb4..adcc5a6e4063fb3e3a834cb206a3af6ee3b4ec4e 100644
--- a/src/ptbench/data/mc_ch_in/fold_5_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_5_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 5, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_6.py b/src/ptbench/data/mc_ch_in/fold_6.py
index 20a797cb6060577501835e71ea0d079f8b78f8ae..9246629ec4725088174e75162aa68ed8c9b1cd12 100644
--- a/src/ptbench/data/mc_ch_in/fold_6.py
+++ b/src/ptbench/data/mc_ch_in/fold_6.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 6)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_6_rgb.py b/src/ptbench/data/mc_ch_in/fold_6_rgb.py
index a90cbfea5c34c1b1610d88fceccd224524e1e311..3f5e8f823221488f980285f828f306eb7461cf2a 100644
--- a/src/ptbench/data/mc_ch_in/fold_6_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_6_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 6, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_7.py b/src/ptbench/data/mc_ch_in/fold_7.py
index 086f2503bb204797562a2dabe63c404be8a6ca13..7f628c9b04e92da8bda3dffb3c5e021c583c489b 100644
--- a/src/ptbench/data/mc_ch_in/fold_7.py
+++ b/src/ptbench/data/mc_ch_in/fold_7.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 7)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_7_rgb.py b/src/ptbench/data/mc_ch_in/fold_7_rgb.py
index b8efe821d581ce2a645da30bc6d3a35a300b9639..b4949143d72cd8a4d481ffd94fd1d65586cc1b5e 100644
--- a/src/ptbench/data/mc_ch_in/fold_7_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_7_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 7, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_8.py b/src/ptbench/data/mc_ch_in/fold_8.py
index a02325aab8876f1721346d07c1d573099b64a827..5bc985cb741178abc2c454133521d8b219d5ccbd 100644
--- a/src/ptbench/data/mc_ch_in/fold_8.py
+++ b/src/ptbench/data/mc_ch_in/fold_8.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 8)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_8_rgb.py b/src/ptbench/data/mc_ch_in/fold_8_rgb.py
index 190440f50440d3ce76414b6d53a1c29ece3adb0e..1f2b28dc06d3866902c7922bb2c04dd39ac3ad18 100644
--- a/src/ptbench/data/mc_ch_in/fold_8_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_8_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 8, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_9.py b/src/ptbench/data/mc_ch_in/fold_9.py
index bf14f21f42edc11e0b9d74b1f8dd55989df9ae2a..641fdc6746cc5392430d2b3bec435c6886bfff33 100644
--- a/src/ptbench/data/mc_ch_in/fold_9.py
+++ b/src/ptbench/data/mc_ch_in/fold_9.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 9)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/fold_9_rgb.py b/src/ptbench/data/mc_ch_in/fold_9_rgb.py
index 7a7bc632e70cfa0ca78ddb635bd7a72d4221b8eb..0c79e285ec619cbf3dbfc090ed886637261f8081 100644
--- a/src/ptbench/data/mc_ch_in/fold_9_rgb.py
+++ b/src/ptbench/data/mc_ch_in/fold_9_rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian datasets
+(cross validation fold 9, RGB)"""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset
diff --git a/src/ptbench/data/mc_ch_in/rgb.py b/src/ptbench/data/mc_ch_in/rgb.py
index e10748b2ebfbd6eb97b2c5d7339a3c11d730006c..26c44a2e722d0d83a62f3693768d44ec680ba2e9 100644
--- a/src/ptbench/data/mc_ch_in/rgb.py
+++ b/src/ptbench/data/mc_ch_in/rgb.py
@@ -2,7 +2,8 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
-"""Aggregated dataset composed of Montgomery and Shenzhen datasets."""
+"""Aggregated dataset composed of Montgomery, Shenzhen and Indian (RGB)
+datasets."""
 
 from clapper.logging import setup
 from torch.utils.data.dataset import ConcatDataset