1. Department of Medical and Biological Sciences, Rheumatology Clinic, University of Udine, Udine, Italy
2. Translational Research Unit, Epidemiology and Preclinical Research Department, National Institute for Infectious Diseases Lazzaro Spallanzani–IRCCS, Rome, Italy
3. Dipartimento di Medicina e Scienze della Salute “Vincenzo Tiberio”, Università degli Studi del Molise, Campobasso, Italy
4. Department of Rheumatology, Hospital of Prato, Prato, Italy