[1] Strasbourg Univ Hosp, Dept Rheumatol, Strasbourg, France
[2] Hop Hotel Dieu, Epidemiol, Paris, France
[3] Hop Lariboisiere, Clin Rhumatol, Paris 10, France
[4] Paul Sabatier Univ Toulouse, Purpan Teaching Hosp, INSERM, Rheumatol,CNRS,UMR 1043, Toulouse, France
[5] Hop Lapeyronie, Dept Rhumatol, Montpellier, France
[6] Paris Descartes Univ, Rheumatol, Paris, France
[7] CHU Teaching Hosp Lille, Dept Rheumatol, Rheumatol, Lille, France
[8] INSERM, U905, Rouen, France
[9] Nounandy Univ, Inst Res & Innovat Biomed, Rouen, France
[10] CHU Bordeaux, Rheumatol, Bordeaux, France
[11] Hop Hotel Dieu, Epidemiol, Paris, France
[12] Univ Paris Sud, Hop Univ Paris Sud, AP HP, INSERM, Paris, France