1. Department of Internal Medicine, Anesthesiology and Cardiovascular Sciences, Sapienza University of Rome, Rome, Italy
2. Department of Rheumatology, IRCCS Ospedale Galeazzi–Sant’Ambrogio, Milan, Italy
3. Rheumatology Unit, Department of Clinical and Molecular Sciences, Polytechnic University of Marche, Ancona, Italy
4. Rheumatology Unit, School of Medicine, University of Modena and Reggio Emilia, Modena, Italy
5. Rheumatology Unit, Azienda USL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
6. Department of Experimental and Clinical Medicine, Division of Rheumatology, AOUC, University of Florence, Florence, Italy
7. Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Scientific Institute, Vita-Salute San Raffaele University, Milano, Italy
8. Department of Rheumatology, Policlinico San Matteo, Pavia, Italy
9. Rheumatology Unit, A.O.U Policlinico S. Marco, Catania, Italy
10. Rheumatology Unit, Department of Precision and Regenerative Medicine-Ionian Area, University of Bari “Aldo Moro,” Bari, Italy
11. Department of Precision Medicine, University of Campania “Luigi Vanvitelli,” Naples, Italy
12. Department of Medicine, Internal Medicine and Rheumatology, Azienda Ospedaliero Universitaria di Parma, Parma, Italy
13. Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
14. Department of Medicine, Rheumatology Unit, Ospedale GB Morgagni—L Pierantoni, Forlì, Italy
15. Rheumatology Unit, Department of Medicine (DIMED), University of Padua, Padua, Italy
16. Institute of Rheumatology and Affine Sciences, Division of Rheumatology, Catholic University of the Sacred Heart, Rome, Italy
17. Rheumatology and Clinical Immunology, Department of Clinical and Experimental Sciences, ASST Spedali Civili of Brescia and University of Brescia, Brescia, Italy
18. Division of Clinical Rheumatology, ASST Pini, Department of Clinical Sciences & Community Health, Research Center for Adult and Pediatric Rheumatic Diseases, Research Center for Environmental Health, Università degli Studi di Milano, Milan, Italy
19. Rheumatology and Clinical Immunology, IRCCS Humanitas Research Hospital, Rozzano, Italy
20. Department of Internal Medicine, University of Genoa, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
21. Rheumatology Institute of Lucania (IReL) and Rheumatology Department of Lucania, San Carlo Hospital, Potenza, Italy
22. Rheumatology Unit, ASO Santa Croce e Carle, Cuneo, Italy
23. Department of Rheumatology, University of Pisa, Pisa, Italy
24. Departmental Rheumatology Unit, Grande Ospedale Metropolitano, Reggio Calabria, Italy
25. Rheumatology Unit, San Camillo Forlanini Hospital, Rome, Italy
26. Hospital of Ariano Irpino, Local Health Department, Ariano Irpino, Italy
27. Referral Center for Systemic Autoimmune Diseases, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico di Milano, Milan, Italy
28. Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
29. Department of Rheumatology, University of Molise, Campobasso, Italy
30. Rheumatology Unit, Azienda Ospedaliera di Rilievo Nazionale ed Alta Specializzazione “Garibaldi,” Catania, Italy
31. Rheumatology Section, Department of Medicine, University of Verona, Verona, Italy
32. Ospedale Mauriziano, Torino, Italy
33. San Lorenzo Hospital, Turin, Italy
34. Department of Medicine, Villa Salus Hospital, Venice, Italy
35. Rheumatology Unit, Department of Medical Sciences, University of Ferrara and Azienda Ospedaliera-Universitaria S. Anna di Ferrara, Ferrara, Italy
36. Azienda Ospedaliero-Universitaria Città della Salute e della Scienza di Torino, Turin, Italy
37. Rheumatology Unit, Department of Musculoskeletal Sciences, Local Health Trust 3, La Colletta Hospital, Genoa, Italy