1. New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, Louisiana State University and Tulane University Medical Schools , New Orleans, LA, USA
2. Department of Rheumatology and Clinical Immunology, Pontificia Universidad Católica de Chile , Santiago, Chile
3. Department of Pediatrics, Division of Pediatric Rheumatology, University of California , San Francisco, CA, USA
4. Alder Hey Children’s NHS Foundation Trust , Liverpool, UK
5. Division of Rheumatology, University of Washington , Seattle, WA, USA
6. Division of Pediatric Rheumatology, Children’s Hospital at Montefiore , Bronx, NY, USA
7. Department of Dermatology, University of Pennsylvania and Corporal Michael J. Crescenz VAMC , Philadelphia, PA, USA
8. Division of Rheumatology, Children’s Hospital Los Angeles , Los Angeles, CA, USA
9. Medical Unit Occupational Therapy and Physical Therapy, Karolinska University Hospital, and Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet , Stockholm, Sweden
10. Great Ormond Street Hospital for Children NHS Foundation Trust , London, UK
11. Great Ormond Street Hospital and Institute of Child Health , London, UK
12. Federation of European Scleroderma Associations (FESCA), Scleroderma & Raynaud’s UK (SRUK), European League Against Rheumatism (EULAR), People with Arthritis & Rheumatism Across Europe (PARE) , London, UK
13. CureJM, Childhood Arthritis and Rheumatism Alliance (CARRA) , Wolcottville, IN, USA
14. Pediatric and Adolescent Medicine, Mayo Clinic Alix School of Medicine , Rochester, MN, USA
15. Medical Unit Occupational Therapy and Physical Therapy, Karolinska University Hospital and Division for Occupational Therapy, Karolinska Institutet , Stockholm, Sweden
16. Exeter Respiratory Innovations Center University of Exeter and Royal Devon University Hospitals NHS Trust , Devon, UK
17. Department of Immunology and Rheumatology, Stanford University School of Medicine , Palo Alto, CA, USA
18. Spierziekten Nederland (Dutch patient association for NeuroMuscular Diseases), Dutch Myositis Network, TMA Medical Advisory Board , Rotterdam, The Netherlands
19. Mayo Clinic, Division of Rheumatology, Department of Internal Medicine , Rochester, MN, USA
20. Division of Rheumatology, Johns Hopkins University School of Medicine , Baltimore, MD, USA
21. Rheumatology and Clinical Pathology , San Diego, CA, USA
22. Department of Neurology, The University of Kansas Medical Center , Kansas City, KS, USA
23. Centre for Rheumatology & Department of Neuromuscular Diseases, Department of Rheumatology & Queen Square Centre for Neuromuscular Diseases, University College London Hospitals NHS Foundation Trust , London, UK
24. Department of Neurology, Mayo Clinic , Rochester, MN, USA
25. Patient Research Partner, IMACS/MIHRA Seaside Park , New Jersey, USA
26. Department of Rheumatology, Royal Wolverhampton Hospitals NHS Trust , Wolverhampton, UK
27. Division of Musculoskeletal and Dermatological Sciences, Centre for Musculoskeletal Research, School of Biological Sciences, The University of Manchester , Manchester, UK
28. Department of Rheumatology, City Hospital, Sandwell and West Birmingham Hospitals NHS Trust , Birmingham, UK
29. Rheumatology Unit, Department of Woman’s and Child’s Health, University of Padova , Padua, Italy
30. Department of Medicine and Dermatology, Division of Immunology & Rheumatology, Stanford University School of Medicine , Palo Alto, CA, USA