[1] Polytech Univ Marche, Dept Clin & Mol Sci, Rheumatol Unit, Ancona, Italy
[2] Univ Modena & Reggio Emilia, Sch Med, Rheumatol Unit, Modena, Italy
[3] IRCCS Inst, S Maria Hosp USL, Rheumatol Unit, Reggio Emilia, Italy
[4] Univ Vita Salute San Raffaele, IRCCS San Raffaele Sci Inst, Unit Immunol Rheumatol Allergy & Rare Dis UnIRAR, Milan, Italy
[5] Policlin San Matteo, Dept Rheumatol, Pavia, Italy
[6] AOU Policlin Vittorio Emanuele, Catania, Italy
[7] Univ Bari, Dept Emergency Surg & Organ Transplantat, Rheumatol Unit, Bari, Italy
[8] Luigi Vanvitelli Univ, Naples, Italy
[9] Azienda Osped Univ Parma, Dept Med, Internal Med & Rheumatol, Parma, Italy
[10] Sapienza Univ Rome, Dept Translat & Precis Med, Rome, Italy
[11] Univ Florence, Dept Rheumatol, Florence, Italy
[12] Osped GB Morgagni & L Pierantoni, Dept Med, Rheumatol Unit, Forli, Italy
[13] Sapienza Univ Rome, Dept Rheumatol, Rome, Italy
[14] Univ Padua, Dept Rheumatol, Padua, Italy
[15] Univ Cattolica Sacro Cuore, Inst Rheumatol & Affine Sci, Div Rheumatol, Rome, Italy
[16] Spedali Civili Brescia, Dept Rheumatol, Brescia, Italy
[17] Univ Milan, Div Clin Rheumatol, ASST Pini, Dept Clin Sci, Milan, Italy
[18] Univ Milan, Community Hlth Res Ctr Adult & Pediat Rheumat Dis, Res Ctr Environm Hlth, Milan, Italy
[19] IRCCS, Humanitas Clin & Res Ctr, Milan, Italy
[20] Univ Genoa, S Martino Hosp, Genoa, Italy
[21] S Croce Carle Hosp, Cuneo, Italy
[22] Sapienza Univ Rome, Dept Translat & Precis Med, Rome, Italy
[23] Univ Pisa, Dept Rheumatol, Pisa, Italy
[24] Grande Osped Metropolitano, Dept Rheumatol Unit, Reggio Di Calabria, Italy
[25] San Camillo Forlanini Hosp, Rheumatol Unit, Rome, Italy
[26] Local Hlth Dept, Avellino, Italy
[27] Fdn IRCCS Ca Granda, Osped Maggiore Policlin Milano, Referral Ctr Syst Autoimmune Dis, Milan, Italy
[28] Univ Messina, Dept Clin & Expt Med, Messina, Italy
[29] Univ Molise, Dept Rheumatol, Campobasso, Italy
[30] Azienda Osped Rilievo Nazl Alta Specializza, Rheumatol Unit, Catania, Italy
[31] Univ Verona, Rheumatol Sect, Dept Med, Verona, Italy
[32] Mauriziano Umberto Hosp, Rheumatol Unit, Turin, Italy
[33] San Lorenzo Hosp, Quezon City, Philippines
[34] Villa Salus Hosp, Dept Med, Venice, Italy
[35] Univ Ferrara, Dept Med Sci, Rheumatol Unit, Ferrara, Italy
[36] Azienda Osped Univ S Anna Ferrara, Ferrara, Italy
[37] Citta Salute Sci, Rheumatol Unit, Turin, Italy
[38] Italian Soc Rheumatol, Epidemiol Unit, Milan, Italy
[39] Univ Ferrara S Anna Hosp, Rheumatol Unit, Ferrara, Italy
[40] Colletta Hosp, Dept Musculoskeletal Sci, Rheumatol Unit, Local Hlth Trust 3, Genoa, Italy
[41] Univ Vita Salute San Raffaele, Unit Immunol Rheumatol Allergy & Rare Dis UnIRAR, IRCCS San Raffaele Sci Inst, Milan, Italy
[42] Univ Florence, Dept Rheumatol, Florence, Italy