1. Royal National Hospital for Rheumatic Diseases, Bath, UK
2. Department of Pharmacy & Pharmacology, University of Bath, Bath, UK
3. University of Utah and Salt Lake Regional Veterans Affair Medical Center, Salt Lake City, UT, USA
4. Centre for Musculoskeletal Research, The University of Manchester and Salford Royal NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
5. Hospital for Special Surgery, New York, USA
6. University of Pittsburgh Medical Center, Pittsburgh, PA, USA
7. Institute of Ageing and Chronic Disease, Faculty of Health and Life Science, University of Liverpool and Aintree University Hospital, Liverpool, UK
8. Division of Rheumatology, Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
9. Toronto Scleroderma Program, Toronto Western Hospital, Mount Sinai Hospital, Toronto, ON, Canada
10. Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
11. Jewish General Hospital, Lady Davis Institute and McGill University, Montreal, QC, Canada
12. UCSF Scleroderma Center, University of California San Francisco, San Francisco, CA, USA
13. University College London Medical School, Royal Free Hospital, London, UK
14. Division of Rheumatology, University of Florence, Florence, Italy
15. University of Toledo Medical Center, Toledo, OH, USA
16. Rheumatology Section, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
17. The University of Melbourne and St. Vincent’s Hospital, Melbourne, VIC, Australia
18. Duke University Medical Center, Durham, NC, USA
19. Western University, London, ON, Canada
20. University of Michigan Scleroderma Program, Ann Arbor, MI, USA
21. NIHR Manchester Musculoskeletal Biomedical Research Centre, Central Manchester NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK