1. Department of Pediatrics, University of Utah , Salt Lake City, UT, USA
2. Stead Family Department of Pediatrics, University of Iowa Carver College of Medicine , IA, USA , Iowa City
3. Department of Pediatrics and Adolescent Medicine, Mayo Clinic , Rochester, MN, USA
4. Department of Pediatrics, The University of Texas at Austin Dell Medical School , Austin, TX, USA
5. Department of Internal Medicine and Pediatrics, The University of Chicago Medical Center , Chicago, IL, USA
6. Department of Pediatrics, AdventHealth for Children , Orlando, FL, USA
7. Pediatric Rheumatology, Children’s National Hospital; Associate Professor of Pediatrics, GW School of Medicine , Washington, DC, USA
8. Division of Rheumatology, Ospedale Pediatrico Bambino Gesù IRCCS , Rome, Italy
9. Department of General Medical Science, Graduate School of Medicine, Chiba University , Chiba, Japan
10. Department of Paediatrics, University of Zagreb School of Medicine, University Hospital Centre Zagreb , Zagreb, Croatia
11. Department of Pediatrics, University of Colorado School of Medicine , Aurora, CO, USA
12. Department of Rheumatology, Texas Children’s Hospital , Houston, TX, USA
13. Department of Pediatrics, Indiana University School of Medicine , IN, USA
14. Department of Pediatrics, Icahn School of Medicine at Mount Sinai , NY, USA
15. Department of Pediatrics, Duke University School of Medicine , Durham, NC, USA
16. Childhood Arthritis and Rheumatology Research Alliance (CARRA) , Beltsville, MD, USA
17. Childhood Arthritis and Rheumatology Research Alliance (CARRA) , Broomall, PA, USA
18. Seunghee Cha, Oral Maxillofacial Diagnostic Sciences, University of Florida , Gainesville, FL, USA
19. Department of Orthopedics, Rheumatology and Traumatology, School of Medical Science, University of Campinas , SP, Brazil
20. Department of Medicine and Pediatrics, MetroHealth Medical Center & Case Western Reserve University , Cleveland, OH, USA