--- a
+++ b/rocaseg/datasets/__init__.py
@@ -0,0 +1,22 @@
+from .dataset_oai_imo import (DatasetOAIiMoSagittal2d,
+                              index_from_path_oai_imo)
+from .dataset_okoa import (DatasetOKOASagittal2d,
+                           index_from_path_okoa)
+from .dataset_maknee import (DatasetMAKNEESagittal2d,
+                             index_from_path_maknee)
+from . import meta_oai
+from . import constants
+from .sources import sources_from_path
+
+
+__all__ = [
+    'index_from_path_oai_imo',
+    'index_from_path_okoa',
+    'index_from_path_maknee',
+    'DatasetOAIiMoSagittal2d',
+    'DatasetOKOASagittal2d',
+    'DatasetMAKNEESagittal2d',
+    'meta_oai',
+    'constants',
+    'sources_from_path',
+]