1. University of Manchester, Manchester, Royal Hallamshire Hospital, and Sheffield Teaching Hospitals NHS Foundation Trust Sheffield UK
2. Royal National Hospital for Rheumatic Diseases and University of Bath Bath UK
3. Bristol Medical School Bristol UK
4. Royal Free HospitalUniversity College London London UK
5. University of Pittsburgh Medical Center Pittsburgh PA
6. University of Utah and Salt Lake Veterans Affairs Medical Center Salt Lake City
7. University of ManchesterSalford Royal NHS Foundation Trust, and Manchester Academic Health Science Centre Manchester UK
8. University of Michigan Ann Arbor
9. University of Florence Florence Italy
10. Patient representative (contact via Dr. Herrick, University of Manchester, Manchester, UK)
11. Tulane University School of MedicineNew Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, and University Medical Center Comprehensive Pulmonary Hypertension Center New Orleans Louisiana
12. Bristol Medical School, NIHR Bristol Biomedical Research Centre, and University Hospitals Bristol NHS Foundation Trust Bristol UK