1. Department of Physical Therapy; University of British Columbia; Vancouver British Columbia Canada
2. Arthritis Research Canada; Richmond British Columbia Canada
3. Faculty of Health Sciences; University of Western Ontario; London Ontario Canada
4. Institute for Work and Health; Toronto Ontario Canada
5. Dalla Lana School of Public Health; University of Toronto; Toronto Ontario Canada
6. Toronto Western Research Institute; Toronto Ontario Canada
7. Health Care and Outcomes Research; Toronto Western Research Institute; University Health Network and Institute of Health Policy, Management and Evaluation, Rehabilitation Science Institute; Toronto Ontario Canada
8. Departments of Physical Therapy and Surgery; University of Toronto; Toronto Ontario Canada
9. School of Physical Therapy; Faculty of Health Sciences; University of Western Ontario; London Ontario Canada
10. Department of Epidemiology and Biostatistics; Schulich School of Medicine and Dentistry; University of Western Ontario; London Ontario Canada