1. Department of Physical Medicine and Rehabilitation, Dalhousie University, Halifax, NS, Canada
2. Division of Physical Medicine & Rehabilitation, University of Utah, Salt Lake City, Utah, USA
3. Department of Radiology, Mayo Graduate School, Mayo Clinic, Rochester, Minnesota, USA
4. Division of Orthopaedic Surgery, Dalhousie University, Halifax, NS, Canada
5. Division of Physical Medicine & Rehabilitation , University of Utah, Salt Lake City, Utah, USA
6. Department of Diagnostic Imaging, Dalhousie University, Halifax, NS, Canada