--- a
+++ b/dosma/__init__.py
@@ -0,0 +1,43 @@
+"""The core module contains functions and classes for medical image analysis.
+"""
+from dosma.utils.logger import setup_logger  # noqa
+
+from dosma import core as _core  # noqa: E402
+
+from dosma.core import *  # noqa
+from dosma.defaults import preferences  # noqa
+from dosma.utils.collect_env import collect_env_info  # noqa
+from dosma.utils.env import debug  # noqa
+
+from dosma.core.med_volume import MedicalVolume  # noqa: F401
+from dosma.core.io.format_io_utils import read, write  # noqa: F401
+from dosma.core.io.format_io import ImageDataFormat  # noqa: F401
+from dosma.core.io.dicom_io import DicomReader, DicomWriter  # noqa: F401
+from dosma.core.io.nifti_io import NiftiReader, NiftiWriter  # noqa: F401
+from dosma.core.device import Device, get_device, to_device  # noqa: F401
+from dosma.core.orientation import to_affine  # noqa: F401
+from dosma.core.registration import (  # noqa: F401
+    register,
+    apply_warp,
+    symlink_elastix,
+    unlink_elastix,
+)
+from dosma.core.fitting import (  # noqa: F401
+    CurveFitter,
+    PolyFitter,
+    MonoExponentialFit,
+    curve_fit,
+    polyfit,
+)
+
+import dosma.core.numpy_routines as numpy_routines  # noqa: F401
+
+
+__all__ = []
+__all__.extend(_core.__all__)
+
+setup_logger()
+
+# This line will be programatically read/write by setup.py.
+# Leave them at the bottom of this file and don't touch them.
+__version__ = "0.1.2"