Affiliations

• ¹ Pediatrics, Division of Rheumatology, Seattle Children's Hospital, Seattle, Washington, USA jordan.roberts@seattlechildrens.org.
• ² University of Washington School of Medicine, Seattle, Washington, USA.
• ³ The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA.
• ⁴ Harvard Medical School, Boston, Massachusetts, USA.
• ⁵ University of Colorado School of Medicine, Aurora, Colorado, USA.
• ⁶ Wake Forest School of Medicine, Winston-Salem, North Carolina, USA.
• ⁷ Indiana University School of Medicine, Indianapolis, Indiana, USA.
• ⁸ The Hospital for Sick Children, Toronto, Ontario, Canada.
• ⁹ Temerty Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada.
• ¹⁰ Intramural Research Program, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, Maryland, USA.
• ¹¹ Division of Pediatric Rheumatology, Children\'s Hospital at Montefiore, Bronx, New York, USA.
• ¹² Division of Pediatric Rheumatology, Yeshiva University Albert Einstein College of Medicine, Bronx, New York, USA.
• ¹³ Duke University School of Medicine, Durham, North Carolina, USA.
• ¹⁴ University of California San Francisco School of Medicine, San Francisco, California, USA.
• ¹⁵ Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada.
• ¹⁶ BC Children's Hospital, Vancouver, British Columbia, Canada.
• ¹⁷ National Institute of Environmental Health Sciences, Durham, North Carolina, USA.