1 Departments of Medicine and Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary.
2 Arthritis Research Canada, Richmond, BC.
3 McCaig Institute for Bone and Joint Health, Calgary.
4 Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Canada.
5 Hospital for Special Surgery, Weill Cornell Medical College, New York, NY, USA.
6 Department of Community Health Sciences, Cumming School of Medicine, University of Calgary, Calgary.
7 Faculty of Graduate Studies, McGill University, Montreal, Quebec.
8 St. Joseph's Health Care London, University of Western Ontario, London.
9 Dalla Lana School of Public Health, University of Toronto.
10 Canadian Arthritis Patient Alliance, Toronto, Ontario.
11 Division of Clinical Epidemiology, Department of Medicine, McGill University and Centre for Outcomes Research and Evaluation, Research Institute, McGill University Health Centre, Montreal, Quebec, Canada.