1. Arthritis Research Canada , Vancouver, British Columbia, Canada
2. Faculty of Health Sciences, Simon Fraser University , Vancouver, British Columbia, Canada
3. Division of Rheumatology, Department of Medicine, University of British Columbia , Vancouver, British Columbia, Canada
4. Division of Epidemiology, Biostatistics and Public Health Practice, School of Population and Public Health, University of British Columbia , Vancouver, British Columbia, Canada
5. Sauder School of Business, University of British Columbia , Vancouver, British Columbia, Canada
6. Center for Health Evaluation & Outcome Sciences , Vancouver, British Columbia, Canada