1. School of Medicine and Medical Science, University College Dublin, Ireland.
2. University of Toronto, Ontario; Canadian Rheumatology Association Research Studentship, University of Western Ontario, Canada.
3. Schulich School of Medicine & Dentistry, University of Western Ontario, Division of Rheumatology, St. Joseph’s Health Care, London, Ontario, Canada.
4. Schulich School of Medicine & Dentistry, University of Western Ontario, Division of Rheumatology, St. Joseph’s Health Care, London, Ontario, Canada. janet.pope@sjhc.london.on.ca