1. Hospital for Special Surgery New York New York
2. Rutgers Robert Wood Johnson Medical School New Brunswick New Jersey
3. Cincinnati Children's Hospital Medical Center and University of Cincinnati Cincinnati Ohio
4. Seattle Children's Hospital and Research Center and University of Washington Seattle
5. McMaster University Hamilton Ontario Canada
6. Duke University Durham North Carolina
7. University of Alabama at Birmingham
8. The Hospital for Sick Children Toronto Ontario Canada
9. University of Iowa Carver College of Medicine Iowa City
10. Children's Hospital of Richmond at VCU Richmond Virginia
11. BC Children's Hospital Vancouver British Columbia Canada
12. Hackensack Meridian School of Medicine Hackensack New Jersey
13. Stanford University Palo Alto California
14. Louisiana Department of Health New Orleans
15. Boston Children's Hospital and Brigham and Women's Hospital Boston Massachusetts
16. NIH Bethesda Maryland
17. University of Chicago Chicago Illinois
18. University of Calgary and Alberta Children's Hospital Calgary Alberta Canada
19. Ann & Robert Lurie Children's Hospital of Chicago and Northwestern University Chicago Illinois
20. Nationwide Children's Hospital Columbus Ohio
21. Children's Mercy Hospital Kansas City Missouri
22. Connecticut Children's Medical Center Hartford
23. Baylor College of Medicine Houston Texas
24. Penn State Health Children's Hospital Hershey Pennsylvania
25. Dell Children's Medical Center Austin Texas
26. Emory University Atlanta Georgia
27. University of Michigan Ann Arbor
28. ECRI Institute Plymouth Meeting Pennsylvania
29. Johns Hopkins All Children's Hospital St. Petersburg Florida
30. Icahn School of Medicine at Mount Sinai New York New York
31. American College of Rheumatology Atlanta Georgia
32. Maria Fareri Children's Hospital Valhalla New York