[1] Univ Firenze, Dept Expt & Clin Med, Largo Brambilla 3, I-50134 Florence, Italy
[2] Univ Firenze, Dept Neurosci Psychol Drug Res & Child Hlth NEURO, Florence, Italy
[3] Univ Milano Bicocca, Milan, Italy
[4] ASST Monza, Nephrol Unit, Milan, Italy
[5] Univ Hosp Padova, Dept Med DIMED, Operat Unit Rheumatol, Padua, Italy
[6] IRCCS Policlin S Matteo Fdn, Div Rheumatol, Pavia, Italy
[7] Univ Pavia, Pavia, Italy
[8] IRCCS San Raffaele Sci Inst, Unit Immunol Rheumatol Allergy & Rare Dis UnIRAR, Milan, Italy
[9] Univ Brescia, Unit Rheumatol & Clin Immunol, Brescia, Italy
[10] ASST Spedali Civili, Brescia, Italy
[11] Univ Ferrara, Dept Med Sci, Ferrara, Italy
[12] Azienda Osped Univ S Anna, Rheumatol Unit, Ferrara, Italy
[13] Univ Verona, Dept Med, Verona, Italy
[14] AOS Croce & Carle, Allergy & Pneumol Unit, Cuneo, Italy
[15] Univ Bari, Polyclin Hosp, Dept Emergency & Organ Transplantat DETO, Rheumatol Unit, Bari, Italy
[16] Santa Chiara Hosp, Dept Rheumatol, Trento, Italy
[17] Univ Bari Aldo Moro, Unit Internal Med Guido Baccelli, Dept Biomed Sci & Human Oncol, Med Sch, Bari, Italy
[18] ASST Spedali Civili, Nephrol Unit, Brescia, Italy
[19] San Carlo Hosp, Rheumatol Dept Lucania, Potenza, Italy
[20] Univ Clin, Dept Med Sci & Publ Hlth, Rheumatol, Cagliari, Italy
[21] Sapienza Univ Rome, Dept Clin Internal Anesthesiol & Cardiovasc Sci, Rheumatol Unit, Rome, Italy
[22] Osped Riuniti, Clin Med, Dept Internal Med, Ancona, Italy
[23] Univ Udine, Dept Med DAME, Rheumatol Clin, Udine, Italy
[24] Univ Brescia, Dept Med & Surg Specialties Radiol Sci & Publ Hlt, Brescia, Italy
[25] Azienda Socio Sanitaria Terr Spedali Civili Bresc, Spedali Civili Hosp, Nephrol Unit, Brescia, Italy
[26] Azienda USL IRCCS Reggio Emilia, Reggio Emilia, Italy
[27] Univ Modena & Reggio Emilia, Reggio Emilia, Italy
[28] Cattinara Teaching Hosp ASUITS, Internal Med Dept, Rheumatol Unit, Trieste, Italy
[29] IRCCS Osped Policlin San Martino, Internal Med Clin Immunol & Translat Med Unit, Genoa, Italy
[30] Univ Genoa, Ctr Excellence Biomed Res, Genoa, Italy
[31] Univ Genoa, Dept Internal Med, Genoa, Italy
[32] IRCCS, Div Rheumatol & Clin Immunol, Humanitas Clin & Res Ctr, Rozzano Milan, Italy
[33] Humanitas Univ, Dept Biomed Sci, Pieve Emanuele Milan, Italy
[34] Univ Turin, Network Rare Dis Piedmont & Aosta Valley, Ctr Res Immunopathol & Rare Dis, Dept Clin & Biol Sci,Coordinating Ctr, Turin, Italy
[35] Univ Turin, S Giovanni Bosco Hosp, Dept Clin & Biol Sci, SCU Nephrol & Dialysis, Turin, Italy
[36] Fdn IRCCS Ca Granda Osped Maggiore Policlin, Nephrol Unit, Milan, Italy
[37] Univ Turin, Citta Salute & Sci Torino Univ Hosp, Nephrol Dialysis & Renal Transplant Div, Dept Med Sci, Turin, Italy
[38] Univ Bari Aldo Moro, Nephrol Dialysis & Transplant Unit, Dept Emergency & Organ Transplantat, Bari, Italy
[39] Univ Milano Bicocca, Hosp San Gerardo Monza, Nephrol Unit, Milan, Italy
[40] Univ Hosp Padova, Resp Pathophysiol Div, Padua, Italy
[41] ASST Gaetano Pini CTO Inst, Div Clin Rheumatol, Milan, Italy
[42] Univ Milan, Res Ctr Adult & Pediat Rheumat Dis, Dept Clin Sci & Community Hlth, Milan, Italy
[43] Univ Vita Salute San Raffaele, Milan, Italy
[44] Univ Torino, Dept Med Sci Allergy & Clin Immunol, Turin, Italy
[45] AO Ordine Mauriziano Umberto I, Turin, Italy
[46] Univ Politecn Marche, Dept Internal Med, Ancona, Italy
[47] Univ Milan, Dept Biomed & Clin Sci L Sacco, Milan, Italy
[48] ASL 2 Savona, Struttura Complessa Med Interna 1 PO Levant, Savona, Italy
[49] Univ Hosp, Nephrol Unit, Parma, Italy
[50] Univ Bologna, St Orsola Hosp, Nephrol Dialysis & Renal Transplant Unit, Dept Expt Diagnost & Specialty Med DIMES, Bologna, Italy