1. Centre for Rehab Research and Development, Ottawa Hospital Research Institute, Ottawa, Canada;
2. Faculty of Medicine, University of Ottawa, Ottawa, Canada;
3. Department of Rehabilitation, Canadian Forces Health Services, Ottawa, Canada;
4. Alberta Health Services, Glenrose Rehabilitation Hospital, Edmonton, Canada;
5. Division of Physical Medicine and Rehabilitation, University of Alberta, Edmonton, Canada;
6. Department of Mechanical Engineering, University of Ottawa, Ottawa, Canada