1. Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Canada
2. Rehabilitation Engineering Laboratory, Toronto Rehabilitation Institute – University Health Network, Toronto, Canada
3. Department of Surgery, University of Toronto, Toronto, Canada
4. Division of Neurosurgery, Toronto Western Hospital – University Health Network, Toronto, Canada
5. Krembil Research Institute, Toronto, Canada
6. Department of Physiology, University of Toronto, Toronto, Canada