1. Spinal Cord Injury Team, Robarts Research Institute, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Ontario, Canada.
2. The Miami Project to Cure Paralysis, Department of Neurological Surgery, University of Miami Miller School of Medicine, Miami, Florida.
3. The Neuroscience Program, University of Miami Miller School of Medicine, Miami, and Project to Cure Paralysis, Miami, Florida.