1. Department of Rheumatology, Hospital Clínico San Carlos, Madrid, Spain
2. Department of Rheumatology, Cochin Hospital, APHP, Université Paris Cité, Paris, France
3. Department of Echocardiography, Manchester University NHS Foundation Trust, Manchester, UK
4. Division of Musculoskeletal and Dermatological Sciences and Manchester Academic Health Science Centre, The University of Manchester, Manchester, UK
5. NIHR Manchester Biomedical Research Centre, Manchester Academic Health Science Centre, Manchester, UK
6. National Pulmonary Hypertension Service, Royal Free Hospital, London, UK
7. Leeds Institute of Rheumatic and Musculoskeletal Medicine and Biomedical Research Centre, University of Leeds, Leeds, UK
8. Centre for Rheumatology and Connective Tissue Diseases, Royal Free Hospital, London, UK
9. Scleroderma Program, University of Michigan, Ann Arbor, MI, USA
10. National Pulmonary Hypertension Service, Royal Hallamshire Hospital, Sheffield, UK
11. NIHR Sheffield Biomedical Research Centre, Sheffield, UK
12. Department of Rheumatology, Southmead Hospital, North Bristol NHS Trust, Bristol, UK
13. Department of Respiratory Medicine, Salford Care Organisation, Northern Care Alliance NHS Foundation Trust, Salford, UK
14. Department of Rheumatology, Salford Care Organisation and Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Salford, UK