[1] Hop Cochin, AP HP, Natl Referral Ctr Rare Autoimmune & Syst Dis, Dept Internal Med, Paris, France
[2] Univ Hosp, Nephrol Unit, Parma, Italy
[3] Univ Hosp Leuven, Lab Clin Infect & Inflammatory Disorders, Res Dept Microbiol & Immunol, Clin Dept,Gen Internal Med Dept, Leuven, Belgium
[4] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[5] Med Univ Innsbruck, Dept Internal Med Nephrol & Hypertens 4, Anichstr 35, A-6020 Innsbruck, Austria
[6] Univ Lyon, Grp Hosp Sud, Hosp Civils Lyon, Dept Internal & Vasc Med, Pierre Benite, France
[7] Ctr Hosp Metropole Savoie, Dept Nephrol, Chambery, France
[8] Hop Poitiers, Dept Internal Med, Poitiers, France
[9] Clermont Ferrand Univ Hosp, Dept Nephrol, 58,Rue Montalembert, F-63000 Clermont Ferrand, France
[10] Univ Med Ctr Tours, Dept Internal Med, Tours, France
[11] CHRU Strasbourg, Dept Internal Med, F-67000 Strasbourg, France
[12] Avicenne Univ Hosp, Dept Internal Med, Bobigny, France
[13] Hop Europeen Georges Pompidou, AP HP, Dept Internal Med, Paris, France
[14] Versailles St Quentin Univ, Univ Hosp, AP HP, Dept Internal Med, Boulogne, France
[15] Grp Hosp Pitie Salpetriere, AP HP, Dept Pathol, Paris, France
[16] CHU Timone, AP HM, Dept Internal Med, Marseille, France
[17] Aix Marseille Univ, Marseille, France
[18] Hop Europeen Georges Pompidou, AP HP, Dept Pathol, Paris, France
[19] Hop Cochin, AP HP, Dept Pathol, Paris, France
[20] Univ Paris 05, Paris, France