[1] Univ Toronto, Inst Hlth Policy Management & Evaluat, Div Rheumatol, Rheumatol, Toronto, ON, Canada
[2] St Michaels Hosp, Mobil Program, Clin Res Unit, Toronto, ON, Canada
[3] Univ Toronto, Krembil Neurosci Ctr, Toronto, ON, Canada
[4] Toronto Rehabil Inst, Toronto, ON, Canada
[5] Toronto Western Hosp, Div Rheumatol, Toronto, ON, Canada
[6] Univ Toronto, Toronto, ON, Canada
[7] Toronto Western Hosp, Ctr Prognosis Studies Rheumat Dis, Rheumatol, Toronto, ON, Canada
[8] Univ Toronto, Toronto Western Hosp, Toronto, ON, Canada
[9] Univ Hlth Network, Krembil Res Inst, Toronto, ON, Canada
[10] Univ Toronto, Toronto Western Hosp, Rheumatol, Toronto, ON, Canada
[11] Univ Calgary, Med, Calgary, AB, Canada
[12] Toronto Rehabil Inst, Brain & Therapeut, Toronto, ON, Canada