[1] Univ Alberta, Rheurnatol, Edmonton, AB, Canada
[2] CHRU Vandoeuvre Nancy, Rheumatol, Nancy, France
[3] Univ Alberta, Med, Edmonton, AB, Canada
[4] CaRE Arthrit, Edmonton, AB, Canada
[5] Ambroise Pare Hosp, Radiol, Boulogne, France
[6] Ambroise Pare Hosp, Rheumatol, Boulogne, France
[7] Univ Alberta, Radiol, Edmonton, AB, Canada