[1] Acad Hosp Santa Maria della Misericordia, Dept Med, Rheumatol Clin, Udine, Italy
[2] Univ Udine, Inst Stat, Dept Med Area, Udine, Italy
[3] IRCCS Policlin S Matteo Fdn, Dept Rheumatol, Pavia, Italy
[4] Univ Pavia, Expt Med, Pavia, Italy
[5] Univ Padua, Dept Med DIMED, Rheumatol Unit, Padua, Italy
[6] Univ Ferrara, Dept Med Sci, UOL Rheumatol, Ferrara, Italy
[7] G Bosco Hosp, CMID Ctr Res Nephrol Rheumatol & Rare Dis, Interreg Coordinating Ctr Network Rare Dis Piedmo, Nephrol & Dialysis Unit, Turin, Italy
[8] Univ Turin, Turin, Italy
[9] Santa Chiara Hosp, Dept Rheumatol, Trento, Italy
[10] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[11] Azienda USL IRCCS Reggio Emilia, Reggio Emilia, Italy
[12] Univ Modena & Reggio Emilia, Reggio Emilia, Italy
[13] IRCCS Osped San Raffaele, Unit Immunol Rheumatol Allergy & Rare Dis, Milan, Italy
[14] Lucania San Carlo Hosp, Rheumatol Dept, Potenza, Italy
[15] Cent Hosp Bolzano, Dept Med, Rheumatol Unit, Bolzano, BZ, Italy
[16] AOU Citta Salute & Sci Torino, SC Reumatol, Turin, Italy
[17] Sapienza Univ Rome, Dept Internal Med & Med Specialties, Rheumatol Unit, Rome, Italy
[18] Univ Cattolica Sacro Cuore, Rheumatol Inst, Rome, Italy
[19] Univ Hosp Cattinara, Internal Med Dept, Rheumatol Unit, Trieste, Italy
[20] Univ Piemonte Orientale, Rheumatol Unit, CAAD, Novara, Italy
[21] Univ Piemonte Orientale, DiMet, Novara, Italy
[22] AOU Maggiore della Carita, Novara, Italy
[23] ASL NO Novara, Day Hosp Multidisciplinare, Osped Borgomanero, Novara, Italy
[24] ASST Mantova, SSD Allergol & Immunol Clin, Mantua, MN, Italy
[25] AOUC, Div Rheumatol, Florence, Italy
[26] ASST Ovest Milanese, UOC Internal Med, Legnano, Italy
[27] Osped Mauriziano Umberto 1, SSD Reumatol, Turin, Italy
[28] Osped Alessandria, Reumatol, Alessandria, Italy
[29] Univ Pisa, Rheumatol Unit, Pisa, Italy
[30] Univ Catania, Dept Clin & Expt Med, Catania, Italy
[31] ASST Lariana, Reumatol, Como, Italy
[32] ASL1 Avezzano Sulmona Aquila, Rheumatol Unit, Laquila, Italy
[33] AOU Sassari, Reumatol, Sassari, Italy
[34] Univ Verona, Dept Med, Rheumatol Sect, Verona, Italy
[35] Presidio Osped S Antonio, Udine, Italy
[36] Univ Padua, PhD Program Clin & Expt Sci, Padua, Italy
[37] Fdn Policlin Univ Gemelli IRCCS, Div Rheumatol, Rome, Italy