1. Department of Neurology, Langone Health, Graduate Medical Education, New York University, New York, NY, USA
2. Graduate Medical Education, Internal Medicine, University of Toronto, Toronto, ON, Canada
3. Neurosurgery Unit, Department of Clinical Neuroscience, University of Cambridge, Cambridge, UK
4. The University of Manchester, Manchester, UK
5. Division of Neurosurgery, Department of Surgery, University of Toronto, Toronto, ON, Canada
6. Department of Neurosurgery, University of California Davis, Sacramento, CA, USA
7. Department of Neurological Surgery, Thomas Jefferson University, Philadelphia, PA, USA
8. Department of Neurosurgery and The Miami Project to Cure Paralysis, The Miller School of Medicine, University of Miami, Miami, FL, USA
9. Vancouver Spine Surgery Institute, Department of Orthopedics, The University of British Columbia, Vancouver, BC, Canada
10. McMaster University Department of Family Medicine, Hamilton, ON, Canada
11. The Miami Project to Cure Paralysis, The Miller School of Medicine University of Miami, Miami, FL, USA
12. Department of Orthopaedics, The Och Spine Hospital at New York-Presbyterian, Columbia University Medical Center, New York, NY, USA
13. Department of Neurosurgery, University of Cambridge, Cambridge, UK
14. KITE Research Institute, University Health Network, Toronto, ON, Canada
15. Department of Medicine, Division of Physical Medicine and Rehabilitation, University of Toronto, Toronto, ON, Canada