1. Centre for Rheumatology Research and Centre for Adolescent Rheumatology Versus Arthritis University College London London United Kingdom
2. Scicross AB Skövde Sweden
3. Nationwide Children's Hospital Ohio State University Columbus
4. Duke Clinical Research Institute Duke University School of Medicine Durham North Carolina
5. National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health Bethesda Maryland
6. Centre for Rheumatology Research University College London London United Kingdom
7. Centre for Adolescent Rheumatology Versus Arthritis University College London London UK