| Affiliation: | 1. Department of Rheumatology, Tel Aviv Sourasky Medical Center, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel;2. Center for Prognostic Studies in the Rheumatic Diseases, Krembil Research Institute, University Health Network, Toronto, ON Canada;3. Department of Statistics and Actuarial Science, University of Waterloo, Waterloo, ON Canada;4. Department of Medicine, University of Toronto, Toronto, ON Canada;5. Institute of Medical Science, University of Toronto, Toronto, ON Canada;6. Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON Canada |
