1. Royal National Hospital for Rheumatic Diseases, Bath, UK
2. Department of Pharmacy & Pharmacology, University of Bath, Bath, UK
3. Systemic Immune-Mediated Diseases Unit, Department of Medicine IV, Fernando Fonseca Hospital, Amadora, Portugal
4. Unit of Immunology, Rheumatology, Allergy and Rare Diseases (UnIRAR), IRCCS San Raffaele Hospital, Vita-Salute San Raffaele University, Milan, Italy
5. Internal Medicine and Rheumatology, Cantacuzino Hospital, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania
6. Rheumatology and Clinical Immunology Unit, ASST Spedali Civili of Brescia, Brescia, Italy
7. Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
8. Scleroderma Program, Division of Rheumatology, University of Michigan, Ann Arbor, MI, USA