- Correspondence to Dr Dafna D Gladman, Psoriatic Arthritis Program, Centre for Prognosis Studies in the Rheumatic Diseases, Toronto Western Research Institute, University Health Network, 399 Bathurst Street 1E-410B, Toronto, Ontario, Canada M5T 2S8;
- Received May 26, 2015
- Revised September 22, 2015
- Accepted September 26, 2015
- First published October 22, 2015.
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