[1] Hosp Civils Lyon, Hop Croix Rousse, Dept Med Interne, F-69004 Lyon, France
[2] Univ Claude Bernard Lyon 1, F-69100 Villeurbanne, France
[3] UPMC, CHU Pitie Salpetriere, AP HP, Dept Med Interne & Immunol Clin 2, F-75006 Paris, France
[4] Hosp Civils Lyon, Serv Biostat, F-69003 Lyon, France
[5] CNRS, UMR 5558, Lab Biometrie & Biol Evolut, Equipe Biostat Sante, F-69100 Villeurbanne, France
[6] Univ Paris 06, Inst E3M, CHU Pitie Salpetriere, AP HP,Dept Med Interne & Immunol Clin, F-75006 Paris, France
[7] Hosp Civils Lyon, Hop Edouard Herriot, Dept Med Interne, F-69003 Lyon, France
[8] CHU Grenoble, Dept Med Interne, F-38700 Grenoble, France
[9] Univ Paris 13, Hop Avicenne, Dept Med Interne, F-93000 Bobigny, France
[10] Ctr Hosp Univ, Dept Med Interne, F-21000 Dijon, France
[11] Univ Paris 13, Hop Avicenne, AP HP, Dept Pneumol, F-93000 Bobigny, France
[12] CHU Gabriel Montpied, Dept Med Interne, F-63000 Clermont Ferrand, France
[13] Univ Paris Sud, CHU Bicetre, AP HP, UMR 1184,Dept Med Interne & Immunol Clin, F-94270 Le Kremlin Bicetre, France
[14] CHU Caen, Dept Med Interne, F-14033 Caen, France
[15] CHU Rouen, Hop St Julien, Dept Med Interne Geriatrie Therapeut, F-76031 Rouen, France
[16] Hosp Civils Lyon, Dept Neurol, F-69500 Bron, France
[17] CHU Pitie Salpetriere, AP HP, Dept Ophtalmol, F-75013 Paris, France