1. Combined Neurosurgery and Orthopaedic Spine Program, University of British Columbia, Vancouver, British Columbia, Canada.
2. International Collaboration on Repair Discoveries (ICORD), Vancouver, British Columbia, Canada.
3. University of Calgary Spine Program, University of Calgary, Calgary, Alberta, Canada.
4. McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, Alberta, Canada.
5. Praxis Spinal Cord Institute, Vancouver, British Columbia, Canada.