[1] Univ Pisa, Dept Clin & Expt Med, Rheumatol Unit, Pisa, Italy
[2] Univ Siena, Dept Med Biotechnol, Siena, Italy
[3] IRCCS Osped San Raffaele, Unit Immunol Rheumatol Allergy & Rare Dis, Milan, Italy
[4] Univ Vita Salute San Raffaele, Milan, Italy
[5] Univ Cagliari, Dept Med Sci & Publ Hlth, Cagliari, Italy
[6] AOU Cagliari, Univ Clin, Rheumatol Unit, Cagliari, Italy
[7] Sapienza Univ Rome, Dept Clin Internal Anaesthesiol & Cardiovasc Sci, Rheumatol Unit, Rome, Italy
[8] Univ Campania Luigi Vanvitelli, Dept Precis Med, Oncol Unit, Naples, Italy
[9] Univ Udine, Dept Med, Div Rheumatol, Udine, Italy
[10] Univ Florence, Dept Expt & Clin Med, Florence, Italy
[11] Careggi Univ Hosp, Lupus Clin, Internal Interdisciplinary Med Unit, Florence, Italy