1. Department of Physical Therapy, Toronto Western Hospital, Toronto, Ontario, Canada.
2. University of Toronto, Toronto, Ontario, Canada.
3. Krembil Neuroscience Centre, Toronto Western Hospital, Toronto, Ontario, Canada.
4. University Health Network, Department of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada.
5. GRASSP Longitudinal Study Team.
6. Department of Occupational Therapy, St. Michaels Hospital, Toronto, Ontario, Canada.
7. Rehabilitation Science Institute, St. Michaels Hospital, Toronto, Ontario, Canada.
8. St. Michael's Hospital, Toronto, Ontario, Canada.
9. Department of Surgery, St. Michaels Hospital, Toronto, Ontario, Canada.
10. Spinal Cord Injury Research, St. Joseph's Health Care, London, Ontario, Canada.
11. Spinal Cord Injury Centre, University Hospital Balgrist, Zurich, Switzerland.
12. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada.