1. Department of Physical Therapy, University of Toronto, Toronto, Ontario, Canada
2. Population Health Research Institute, Hamilton Health Sciences, Hamilton, Ontario, Canada
3. Rehabilitation Sciences Institute, University of Toronto, Toronto, Ontario, Canada
4. YMCA of Greater Toronto, Toronto, Ontario, Canada
5. Toronto People With AIDS Foundation, Toronto, Ontario, Canada
6. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada