[1] Univ Udine, Acad Hosp Santa Maria della Misericordia, Dept Med DAME, Div Rheumatol,ASUFC, Udine, Italy
[2] Sapienza Univ Roma, Rheumatol Unit, Dipartimento Sci Clin Internist Anestesiol & Card, Rome, Italy
[3] Univ Politecn Marche, Dept Clin & Mol Sci, Rheumatol Clin, Jesi, Italy
[4] ASST Spedali Civili Brescia, UO Reumatol & Immunol Clin 4, Brescia, Italy
[5] Azienda Osped Univ Careggi, SODc Reumatol, Dipartimento Med Sperimentale & Clin, Florence, Italy
[6] Dept Precis & Regenerat Med, Rheumatol Unit, Bari, Italy
[7] Ionian Area, Bari, Italy
[8] Univ Campania, Unita Operat Reumatol, Dipartimento Med Precis, Naples, Italy
[9] Siena Univ Hosp, Rheumatol Unit, Dept Med Surg & Neurosci, Siena, Italy
[10] Fdn Policlin Univ A Gemelli IRCCS, Div Clin Immunol, Rome, Italy