[1] McGill Univ, Montreal, PQ, Canada
[2] Johns Hopkins Med, Baltimore, MD USA
[3] McGill Univ, Montreal, PQ, Canada
[4] McGill Univ, Pointe Claire, PQ, Canada
[5] Univ Western Ontario, London, ON, Canada
[6] Ctr Osteoporose & Rhumatol Quebec, Quebec City, PQ, Canada
[7] Univ Sherbrooke, Sherbrooke, PQ, Canada
[8] Univ Manitoba, Winnipeg, MB, Canada
[9] Keystone Consulting Enterprises Inc, Toronto, ON, Canada
[10] Southlake Reg Hlth Ctr, Newmarket, ON, Canada
[11] Newmarket Rheumatol Consultants, Newmarket, ON, Canada
[12] Univ Calgary, Calgary, AB, Canada
[13] Hosp Special Surg, New York, NY USA