1. Division of Physical Medicine and Rehabilitation, Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
2. International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada.
3. GF Strong Rehabilitation Center, Vancouver Coastal Health Authority, Vancouver, British Columbia, Canada.
4. Vancouver Spine Surgery Institute, Department of Orthopedics, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
5. Rick Hansen Institute, Vancouver, British Columbia, Canada.
6. Department of Physical Medicine and Rehabilitation, Queens University, Kingston, Ontario, Canada.