- Correspondence to Dr Dafna D Gladman, University of Toronto, Psoriatic Arthritis Clinic, Centre for Prognosis Studies in the Rheumatic Diseases, University Health Network–Toronto Western Hospital, 399 Bathurst Street, Room 1E-411, Toronto, Ontario, Canada M5T 2S8;
- Received August 13, 2013
- Revised November 11, 2013
- Accepted December 10, 2013
- First published January 15, 2014.
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