1. Department of Orthopedics, Vancouver Spine Surgery Institute, Vancouver, British Columbia, Canada.
2. International Collaboration on Repair Discoveries, Vancouver, British Columbia, Canada.
3. Rick Hansen Institute, Vancouver, British Columbia, Canada.
4. Department of Medicine, University of British Columbia Vancouver, British Columbia, Canada.
5. Vancouver Spine Program, Vancouver General Hospital, Vancouver, British Columbia, Canada.
6. Department of Surgery, Vancouver Spine Surgery Institute, Vancouver, British Columbia, Canada.