[1] Mem Univ, St John, NF, Canada
[2] Waterside Clin, Barrie, ON, Canada
[3] Rheumatol Res Assoc, Edmonton, AB, Canada
[4] McGill Univ, Montreal, PQ, Canada
[5] Arthrit Ctr, Burlington, ON, Canada
[6] Ctr Hosp Univ Sherbrooke, Sherbrooke, PQ, Canada
[7] JSS Med Res, Montreal, PQ, Canada
[8] Janssen Inc, Toronto, ON, Canada