1 School of Medicine, Queen's University, Kingston, Ontario, Canada.
2 School of Kinesiology and Health Studies, Faculty of Health Sciences, Queen's University, Kingston, Ontario, Canada.
3 School of Kinesiology, Faculty of Health Sciences, University of Western Ontario, London, Ontario, Canada.
4 Department of Clinical Neurological Sciences, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.
5 Department of Physical Medicine and Rehabilitation, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada; and.
6 Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada.