Institution: | 1.Department of Rheumatology, King George’s Medical University, Lucknow, UP, India ;2.Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada ;3.University of Calgary, Calgary, Alberta, Canada ;4.University of Waterloo, Waterloo, Ontario, Canada ;5.Psoriatic Arthritis Clinic, Centre for Prognosis Studies in the Rheumatic Diseases 1E-410B, Toronto Western Hospital, University of Toronto, 399 Bathurst Street, Toronto, Ontario, M5T 2S8, Canada ; |