1. Rheumatology Unit, S.Giovanni di Dio Hospital, Florence, Italy
2. Immunology and Allergology Laboratory Unit, S.Giovanni di Dio Hospital, Florence, Italy
3. Department of Medicine, University Hospital San Giovanni di Dio e Ruggi d’Aragona, Salerno, Italy
4. SDN SPA-Synlab Laboratory, Pagani, Salerno, Italy
5. Division of Rheumatology, Fondazione Policlinico Universitario A. Gemelli, IRCCS, Rome, Italy
6. Division of Rheumatology, Università Cattolica del Sacro Cuore, Rome, Italy
7. Rheumatology Unit, University of Messina, Messina, Italy
8. Italian Society of Rheumatology, Milan, Italy
9. World Association of Societies of Pathology and Laboratory Medicine, Milan, Italy
10. Department of Experimental Medicine Sapienza University of Rome, Rome, Italy