1. Centre for Genetics and Genomics Versus Arthritis, Centre for Musculoskeletal Research, Faculty of Biology, Medicine and Health University of Manchester Manchester UK
2. Baylor College of Medicine Houston Texas
3. Environmental Autoimmunity Group National Institute of Environmental Health Sciences, NIH Bethesda Maryland
4. Division of Rheumatology, Department of Medicine, Solna, Karolinska Institutet Karolinska University Hospital Stockholm Sweden
5. The Robert S. Boas Center for Genomics and Human Genetics The Feinstein Institute Manhasset New York
6. Institute of Rheumatology and Department of Rheumatology, First Medical Faculty Charles University Prague Czech Republic
7. Department of Pharmacy and Pharmacology University of Bath Bath UK
8. Rheumatology Unit, Royal Adelaide Hospital and Discipline of Medicine Adelaide University Adelaide Australia
9. Internal Medicine Department, Vall d'Hebron General Hospital, Universitat Autonoma de Barcelona Barcelona Spain
10. Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology University College London London UK
11. Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, and Centre for Rheumatology, UCL Division of Medicine University College London London UK
12. Ann & Robert H. Lurie Children's Hospital of Chicago Northwestern University Feinberg School of Medicine Chicago Illinois
13. Department of Pediatrics Duke University Durham North Carolina
14. Department of Rheumatology Oslo University Hospital Oslo Norway
15. Department of Internal Medicine and Clinical Immunology, Pitié‐Salpêtrière Hospital Paris France
16. Paediatric Department, Slagelse Hospital and Paediatric Rheumatology Unit, Rigshospitalet Copenhagen Denmark
17. Department of Rheumatology and Clinical Immunology University Medical Center Utrecht the Netherlands
18. Rheumatology Unit, Department of Medicine University of Padova Padova Italy
19. Department of Neurology Ghent University Ghent Belgium
20. Department of Rheumatology and Immunology University Hospital Bern Switzerland
21. Manchester Metropolitan University, School of Healthcare Sciences Manchester UK
22. NIHR Biomedical Research Centre at Great Ormond Street Hospital, and Arthritis Research UK Centre for Adolescent Rheumatology, UCL Great Ormond Street Institute of Child Health University College London London UK
23. National Institute for Health Research Manchester Biomedical Research Centre, Manchester University NHS Foundation Trust, The University of Manchester, Manchester, UK, and Department of Rheumatology, Salford Royal Hospital, Northern Care Alliance NHS Foundation Trust, Manchester Academic Health Science Centre, Salford, UK, and Centre for Musculoskeletal Research, Faculty of Biology, Medicine and Health, The University of Manchester Manchester UK
24. Epidemiology and Public Health Group, Division of Population Health, Health Services Research & Primary Care, Faculty of Biology, Medicine and Health University of Manchester Manchester UK