1. From the: School of Physiotherapy, Dalhousie University, Halifax, Nova Scotia, Canada;
2. Nova Scotia Health Authority, Nova Scotia Rehabilitation and Arthritis Centre, Halifax, Nova Scotia, Canada;
3. Centre for Outcome Research and Evaluation (CORE), McGill University Health Centre, Montreal, Quebec, Canada;
4. Department of Psychiatry, McGill University, Montreal, Quebec, Canada;
5. Department of Neurology & Neurosurgery, McGill University, Montreal, Quebec, Canada;
6. Department of Medicine, McGill University, Montreal, Quebec, Canada;
7. School of Physical and Occupational Therapy, McGill University, Montreal, Quebec, Canada;
8. Centre for Outcome Research and Evaluation (CORE), McGill University Health Centre, Montreal, Quebec, Canada.