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