1. Faculty of Medicine University of British Columbia Vancouver BC Canada
2. Department of Physical Medicine and Rehabilitation Harvard Medical School Boston MA USA
3. Spaulding Rehabilitation Hospital Boston MA USA
4. Massachusetts General Hospital Boston MA USA
5. Brigham and Women's Hospital Boston MA USA
6. Faculty of Dentistry University of British Columbia Vancouver BC Canada
7. Department of Rehabilitation Medicine University of Texas Health Science Center at San Antonio San Antonio TX USA
8. Arrowhead Neurosurgical Medical Group Colton CA USA