1. Rehabilitation Sciences Institute, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
2. KITE Research Institute, Toronto Rehabilitation Institute, University Health Network, Toronto, Canada
3. Canadian Spinal Research Organization, Richmond Hill, Canada
4. Department of Physical Therapy, Temerty Faculty of Medicine, University of Toronto, Toronto, Canada
5. Institute of Biomedical Engineering, University of Toronto, Toronto, Canada
6. Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Toronto, Canada