1. Queen’s University Medical School Kingston ON Canada
2. Division of Rheumatology Women’s College Hospital and the Department of Physical Therapy, University of Toronto Toronto ON Canada
3. Division of Dermatology Women’s College Hospital and the Department of Medicine, University of Toronto Toronto ON Canada
4. Division of Rheumatology Women’s College Hospital and the Department of Medicine, University of Toronto Toronto ON Canada
5. Department of Statistics and Actuarial Sciences University of Waterloo Waterloo ON Canada