1. Division of Neurosurgery and Spine Program, Department of Surgery, University of Toronto, Toronto, ON, Canada
2. Division of Neurosurgery, Krembil Neuroscience Centre, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
3. Institute of Medical Science, University of Toronto, Toronto, ON, Canada
4. McCaig Institute for Bone and Joint Health, Department of Surgery, Orthopaedic Surgery, Cumming School of Medicine, University of Calgary, AB, Canada
5. Department of Neurology, NYU Langone Medical Center, New York, NY, USA
6. Aggregate Analytics, Inc, Fircrest, WA, USA
7. Department of Orthopaedics, University of British Columbia, Vancouver, BC, Canada
8. International Collaboration on Repair Discoveries (ICORD), University of British Columbia, Vancouver, BC, Canada