[1] McGill Univ, Div Rheumatol, Ctr Hlth, Montreal, PQ, Canada
[2] McGill Univ, Ctr Hlth, Res Inst, Ctr Outcome Res & Evaluat CORE, Montreal, PQ, Canada
[3] Southlake Reg Hlth Ctr, Dept Med, Newmarket, ON, Canada
[4] Univ British Columbia, Div Rheumatol, Vancouver, BC, Canada
[5] Arthrit Res Canada, Richmond, BC, Canada
[6] Mt Sinai Hosp, Toronto Western Hosp, Div Rheumatol, Toronto, ON, Canada
[7] Univ Toronto, Inst Hlth Policy Management & Evaluat, Toronto, ON, Canada