1. Rheumatology Unit, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy. sara.talarico76@gmail.com
2. Unit of Immunology, Rheumatology, Allergy and Rare Diseases, IRCCS Ospedale San Raffaele, Milan, and Università Vita-Salute San Raffaele, Milan, Italy.
3. Department of Rheumatology, Hospital de Santa Maria, Centro Hospitalar Universitário Lisboa Norte, Lisbon Academic Medical Centre and Rheumatology Research Unit, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisbon, Portugal.
4. Division of Allergy and Clinical Immunology, University of Salerno, Italy.
5. Rheumatology, Allergology and Clinical Immunology, Department of Systems Medicine, University of Rome Tor Vergata, Rome, Italy.
6. Spanish Association for Antiphospholipid Syndrome (SAF España), Elche, Spain.
7. Lupus Europe, Brussels, Belgium.
8. Department of Allergology, Rheumatology and Clinical Immunology, University Children’s Hospital, University Medical Centre Ljubljana, Slovenia.
9. AP-HP, GHU Paris Saclay, Hôpital Raymond Poincaré, Centre de Référence des Syndromes d'Ehlers-Danlos non vasculaires, Garches, France.
10. Rheumatology and Clinical Immunology, University of Crete Medical School, Heraklion, Greece.
11. Department of Medical Sciences, Rheumatology Section, University of Ferrara, Azienda Ospedaliero-Universitaria Sant’Anna di Cona, Ferrara, Italy.
12. Sjögren Europe, Bienne, Switzerland.
13. Department of Internal Diseases, Rheumatology Centre, Paul Stradins Clinical University Hospital, Riga, Latvia.
14. Department of Rheumatology and Clinical Immunology, Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany.
15. Department of Internal Medicine and Infectious Diseases, Ghent University Hospital, Ghent, Belgium.
16. Servicio de Reumatología, Hospital Universitario 12 de Octubre, Universidad Complutentense de Madrid, Spain.
17. Department of Autoimmune Diseases, Reference Centre for Systemic Autoimmune Diseases (UEC/CSUR) of the Catalan and Spanish Health Systems, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Spain.
18. Laboratory of Experimental Rheumatology and Academic Division of Clinical Rheumatology, Department of Internal Medicine, University of Genova, IRCCS San Martino Polyclinic Hospital, Genova, Italy.
19. Department of Rheumatology, County Emergency Clinical Hospital Cluj, Iuliua Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.
20. Unidade de Imunologia Clínica, Centro Hospitalar Universitário do Porto; UMIB, Unit for Multidisciplinary Research in Biomedicine, ICBAS, School of Medicine and Biomedical Sciences, University of Porto; ITR, Laboratory for Integrative and Translational Research in Population Health, Porto, Portugal.
21. Federation of European Scleroderma Associations (FESCA), Milan, Italy.
22. Département de Médecine Interne et Immunologie Clinique, Centre de Référence des Maladies Systémiques et Auto-Immunes Rares du Nord-Ouest (CERAINO), LIRIC, INSERM, Université de Lille, CHU Lille, France.
23. Rheumatology Unit, Department of Medicine-DIMED, University Hospitalof Padova, AO Padova, Italy.
24. Copenhagen Research Center for Autoimmune Connective Tissue Diseases, COPEACT, Rigshospitalet, Copenhagen, Denmark.
25. Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands.
26. Rheumatology Unit, Azienda Ospedaliero Universitaria Pisana, Pisa, Italy.
27. Service de Rhumatologie, Hôpitaux Universitaires de Strasbourg, Centre National de Référence des Maladies Systémiques et Auto-immunes Rares Grand-Est Sud-Ouest (RESO), Strasbourg, France.
28. Department of Clinical and Molecular Sciences, Marche Polytechnic University, and Clinica Medica, Department of Internal Medicine, Azienda Ospedaliero Universitaria delle Marche, Ancona, Italy.
29. Department of Rheumatology and Clinical Immunology, Department of Internal Medicine and Oncology, Semmelweis University, Budapest; Heart and Vascular Center, Semmelweis University, Budapest, and Department of Genetics, Cell and Immunobiology, Semmelweis University, Budapest, Hungary.
30. Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland.
31. Department of Rheumatology, Hospital of Lithuanian University of Health Sciences, Kaunas, Lithuania.
32. Retrovirus Centre, Department of Translational Medicine and New Technologies in Medicine and Surgery, University of Pisa, Italy.
33. Department of Rheumatology, CHU Bordeaux (Groupe Hospitalier Pellegrin), Bordeaux, France.
34. Department of Rheumatology, University Hospital Düsseldorf, Heinrich-Heine-University Düsseldorf, Germany.
35. University Center of Excellence on Nephrologic, Rheumatologic and Rare Diseases with Nephrology and Dialysis Unit and Center of Immuno-Rheumatology and Rare Diseases (CMID), San Giovanni Bosco Hub Hospital, Turin, Italy, and Institute of Genomic Medicine and Rare Disorders, Semmelweis University, Budapest, Hungary.
36. School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy.
37. NEUROFARBA Department, Rheumatology Unit, Meyer Children's University Hospital, University of Florence, Italy.
38. Department of Rheumatology, Ghent University Hospital, Department of Internal Medicine, Ghent, and Unit for Molecular Immunology and Inflammation, VIB Inflammation Research Centre (IRC), Ghent, Belgium.
39. Amsterdam Rheumatology and Immunology Center, Department of Rheumatology and Clinical Immunology, Amsterdam UMC, location AMC, University of Amsterdam, the Netherlands.
40. Rheumatology and Clinical Immunology Unit, ASST-Spedali Civili and University of Brescia, Italy.
41. Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands.
42. Rheumatology Unit, First Department of Propaedeutic Internal Medicine, Joint Academic Rheumatology Program, Medical School, National and Kapodistrian University of Athens, Greece.
43. Rheumatology Unit, Azienda Ospedaliero Universitaria Pisana, Pisa, and Rheumatology Unit, University of Pisa, Italy.