1. Division of Clinical Epidemiology, McGill University, Montreal, Quebec, Canada
2. Center for Outcomes Research and Evaluation, Research Institute, McGill University Health Centre, Montreal, Quebec, Canada
3. School of Physical and Occupational Therapy, McGill University, Montreal, Quebec, Canada
4. Department of Occupational Science & Occupational Therapy, University of British Columbia, Vancouver, British Columbia, Canada
5. Department of Surgery, McGill University, Montreal, Quebec, Canada
6. Department of Physical Therapy, College of Rehabilitation Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
7. School of Physical Therapy, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
8. École de réadaptation, Université de Montréal, Montreal, Quebec, Canada
9. Montreal Neurological Institute and Hospital, Multiple Sclerosis Clinic, Montreal, Quebec, Canada
10. Departamento de Educação Integrada em Saúde, Universidade Federal do Espírito Santo, Brazil
11. Department of Physical Therapy, University of Toronto, Toronto, Ontario