1. Rheumatology Unit, University of Modena and Reggio Emilia, School of Medicine, Modena, Italy
2. Rheumatology Clinic ‘Madonna dello Scoglio’ Cotronei, Crotone, Italy
3. Rheumatology Outpatient Clinic, ASP- Vibo Valentia-Tropea Hospital, Tropea, Italy
4. Ospedale S. Raffaele, Milano, Italy
5. Clinical Immunology, University of Pisa, Pisa, Italy
6. Rheumatology Unit, Department of Clinical Medicine and Surgery, University of Naples Federico II, Napoli, Italy
7. Medicine & Rheumatology Unit, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
8. Rheumatology Unit, Department of Biotechnological & Applied Clinical Sciences, University of L'Aquila, L'Aquila, Italy
9. UOD Reumatologia-Grande Ospedale Metropolitano, Reggio Calabria, Italy
10. AOU Policlinico Vittorio Emanuele, Catania, Italy
11. Rheumatology, Sapienza-University of Rome, Roma, Italy
12. Rheumatology, University of Florence, Firenze, Italy
13. U.O.C. Medicina Interna “M.Valentini” P.O. Annunziata, Cosenza, Italy
14. Rheumatology, University of Padova, Padova, Italy
15. U.O.S. Reumatologia, Ospedale Castrovillari, Cosenza, Italy
16. Rheumatology Outpatient Clinic, San Giovanni di Dio Hospital, Crotone, Italy
17. U.O.T. Specialistica Ambulatoriale ASP 201, Cosenza, Italy
18. University of Campania, Luigi Vanvitelli, Napoli, Italy
19. Ospedale Policlinico S. Martino-University of Genova, Genova, Italy
20. Ospedale di Portoferraio, Livorno, Italy
21. Rheumatology Clinic, Department of Clinical & Molecular Sciences, Marche Polytechnic University, Ancona, Italy
22. ASO S. Croce e Carle, Cuneo, Italy
23. Rheumatology, University of Milano, Milano, Italy
24. Ospedale “Villa Salus”, Mestre, Italy
25. Rheumatology, Policlinico San Matteo, Pavia, Italy
26. Rheumatology, Spedali Civili di Brescia, Brescia, Italy
27. Rheumatology, University of Catania, Catania, Italy
28. AOR San Carlo di Potenza, Potenza, Italy
29. Humanitas Clinical and Research Center IRCCS, Milano, Italy
30. Rheumatology, Università del Molise, Campobasso, Italy
31. Rheumatology Unit, Azienda Ospedaliero Universitaria Città della Salute e della Scienza, Torino, Italy
32. Rheumatology, University of Pisa, Pisa, Italy
33. Rheumatology Clinic 'Madonna dello Scoglio' Cotronei, Crotone, Italy
34. Rheumatology, Spedali Civili di Brescia, Brescia, Italy; 27 Rheumatology, University of Catania, Catania, Italy
35. UO Reumatologia - DETO, Università di Bari, Bari, Italy
36. University of Florence, Firenze, Italy
37. Department of Clinical and Experimental Medicine, University of Pisa, School of Medicine, Pisa, Italy
38. Department of Surgical, Medical and Molecular Pathology and Critical Area, University of Pisa, School of Medicine, Pisa, Italy
39. Unità Operativa di Immunoreumatologia - Area Medicina Clinica Policlinico Universitario Campus Bio-Medico di Roma, Roma, Italy
40. Institute of Rheumatology, Università Cattolica del Sacro Cuore, Rome, and Division of Rheumatology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Roma, Italy
41. Department of Clinical Experimental Medicine, Interdepartmental Hepatology Center MASVE, University of Florence, Firenze, Italy
42. Department of Translational Research & New Technologies in Medicine and Surgery, University of Pisa, School of Medicine, Pisa, Italy