[1] Univ Angers, CHU, Serv Rhumatol, INSERM,U922, Angers, France
[2] CHU Hop Sud, Serv Rhumatol, Rennes, France
[3] INSERM, U831, F-69008 Lyon, France
[4] Univ Lyon, Serv Rhumatol, Hosp Civils Lyon, Lyon, France
[5] CHU Pellegrin, Serv Rhumatol, Bordeaux, France
[6] CHU Hop Roger Salengro, Dept Univ Rhumatol, Lille, France
[7] Univ Paris 05, Hop Cochin, Serv Rhumatol B, Paris, France