1. Immunology and Allergology Laboratory Unit, Azienda USL Toscana Centro, S. Giovanni di Dio Hospital, Florence, Italy
2. Department of Laboratory Medicine, Madre Giuseppina Vannini Hospital, Rome, Italy
3. Laboratory Diagnostics Area - Fondazione Policlinico Universitario Agostino Gemelli- IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
4. Department of Internal Medicine and Gastroenterology - Fondazione Policlinico Universitario Agostino Gemelli- IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
5. Rheumatology Unit, Azienda USL Toscana Centro, S. Giovanni di Dio Hospital, Florence, Italy
6. Istituto di Patologia Generale - Fondazione Policlinico Universitario Agostino Gemelli- IRCCS, Università Cattolica del Sacro Cuore, Rome, Italy
7. Department of Experimental Medicine and Surgery, “Tor Vergata” University Hospital, Rome, Italy