[1] Univ Calgary, Cumming Sch Med, Dept Med, Div Rheumatol, 3330 Hosp Dr NW, Calgary, AB T2N 4N1, Canada
[2] Univ Manitoba, S113-750 Bannatyne Ave, Winnipeg, MB R3E 0W3, Canada
[3] Arthrit Res Canada, 5591 3 Rd, Richmond, BC V6X 2C7, Canada
[4] Univ Calgary, Cumming Sch Med, Dept Community Hlth Sci, 3280 Hosp Dr NW, Calgary, AB T2N 4Z6, Canada
[5] George & Fay Yee Ctr Healthcare Innovat, 3rd Floor,753 McDermot Ave, Winnipeg, MB R3E 0T6, Canada
[6] Alberta Childrens Prov Gen Hosp, 28 Oki Dr, Calgary, AB T3B 6A8, Canada
[7] Hosp Special Surg, 535 E 70th St, New York, NY 10021 USA
[8] Edmonton Clin, Med Clin 3A, Third Floor,11400 Univ Ave, Edmonton, AB T6G 1Z1, Canada
[9] 43 Lundys Lane, Newmarket, ON L3Y 3RY, Canada
[10] St Clares Mercy Hosp, Rheumatol Serv, 154 LeMarchant Rd, St John, NF A1C 5B8, Canada
[11] Edmonton Clin, Third Floor,11400 Univ Ave, Edmonton, AB T6G 1Z1, Canada
[12] Univ Saskatchewan, Dept Community Hlth & Epidemiol, Box 7,107 Wiggins Rd, Saskatoon, SK S7N 5E5, Canada
[13] Univ British Columbia, Dept Med, Vancouver, BC, Canada