[1] McGill, Montreal, PQ, Canada
[2] Univ Montreal, Dept Med, Montreal, PQ, Canada
[3] Inst Rhumatol Montreal, Montreal, PQ, Canada
[4] Mem Univ, St John, NF, Canada
[5] Nanaimo Reg Hosp, Nanaimo, BC, Canada
[6] 124th St Med Clin, Edmonton, AB, Canada
[7] JSS Med Res, Montreal, PQ, Canada
[8] JSS Med Res, St Laurent, PQ, Canada
[9] Janssen Inc, Toronto, ON, Canada