1Centre for Prognostic Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto, 1-412, 399 Bathurst Street, Toronto, ON M5T 2S8 Canada
2Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON Canada
3Department of Medicine and Laboratory Medicine, Institute of Medical Science, University of Toronto, Toronto, ON Canada
4Department of Pathobiology, Institute of Medical Science, University of Toronto, Toronto, ON Canada
5Centre for Prognosis Studies in the Rheumatic Diseases, Krembil Research Institute, Toronto Western Hospital, Toronto, ON Canada
6Center for Prognostic Studies in the Rheumatic Diseases, Toronto Western Hospital, University of Toronto, Toronto, ON Canada
7Department of Medicine, University of Toronto, Women’s College Research Institute, Women’s College Hospital, Room 6326, 76 Grenville Street, Toronto, ON M5S 1B2 Canada
8Department of Rheumatology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
© The Author(s). 2019
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