1. University of Florence, Department of Experimental and Clinical Medicine, Division of Internal Medicine, AOUC Firenze Italy
2. University of L'Aquila, Department of Clinical Medicine, Life Health and Environmental Sciences, Internal Medicine and Nephrology Division, ASL1 Avezzano‐Sulmona‐L'Aquila L'Aquila Italy
3. Centro Hospitalar Universitário de São João, Department of Rheumatology Porto Portugal
4. IRCCS San Raffaele Hospital, Unit of Immunology, Rheumatology, Allergy and Rare diseases (UnIRAR), Milan Italy
5. FESCA (Federation of European Scleroderma Associations) Belgium, GILS (Gruppo Italiano, Lotta alla Sclerodermia) Italy
6. University of Udine, Division of Surgery and Transplantation, Department of Surgery Udine Italy
7. Pulmonology Unit, Department of Medical Surgical and Health Sciences, University Hospital of Cattinara University of Trieste Trieste Italy
8. University of Florence, Department of Health Science Firenze Italy
9. University of Florence, Department of Experimental and Clinical Medicine, Division of Rheumatology Firenze Italy
10. University of Texas Health Science Center at Houston, Department of Medicine, Division of Rheumatology Houston TX USA
11. Northern Care Alliance NHS Foundation Trust, Salford Care Organisation Salford UK
12. Division of Musculoskeletal and Dermatological Sciences The University of Manchester, Manchester Academic Health Science Centre Manchester UK