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.