[1] Southlake Reg Hlth Ctr, Newmarket, Suffolk, England
[2] Univ Sherbrooke, Sherbrooke, PQ, Canada
[3] Credit Valley Rheumatol, Mississauga, ON, Canada
[4] Amgen Canada Inc, Mississauga, ON, Canada
[5] Optum, Burlington, MA USA
[6] Inst Rhumatol Montreal, Montreal, PQ, Canada