1. Division of Rheumatology, Department of Medicine, National Jewish Health, Denver, CO, USA
2. Division of Rheumatology, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
3. Bon Secours Rheumatology Center and Division of Pediatric Rheumatology, Department of Pediatrics, University of Virginia School of Medicine, Charlottesville, VA, USA
4. Division of Rheumatology, Department of Internal Medicine, Committee on Clinical Pharmacology and Pharmacogenomics, University of Chicago Medical Center, Chicago, IL, USA
5. School of Clinical Medicine, University of Queensland Faculty of Medicine, Queensland, Australia
6. Department of Medicine, Systemic Juvenile Idiopathic Arthritis Foundation, Cincinnati, OH, USA
7. Division of Rheumatology, Department of Medicine, Washington University School of Medicine, Saint Louis, MO, USA
8. Division of Immunobiology, Department of Pathology and Immunology, Washington University School of Medicine, Saint Louis, MO, USA
9. Andrew M. And Jane M. Bursky Center of Human Immunology and Immunotherapy Programs, Washington University School of Medicine, Saint Louis, MO, USA
10. Hammersmith Hospital, Imperial College Healthcare NHS Trust, London, UK
11. Division of Rheumatology, Department of Medicine, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, USA
12. Division of Rheumatology, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA