1. Children’s Hospital at Montefiore and Albert Einstein College of Medicine New York New York
2. Boston Children’s Hospital and Harvard Medical School Boston Massachusetts
3. Seattle Children’s Hospital Seattle Washington
4. Nationwide Children’s Hospital and Ohio State University Columbus Ohio
5. Children’s Hospital of Philadelphia and University of Pennsylvania Perelman School of Medicine Philadelphia Pennsylvania
6. University of Toronto and The Hospital for Sick Children Toronto Ontario Canada
7. New York University Grossman School of Medicine and Hassenfeld Children’s Hospital New York New York
8. University of Alabama at Birmingham
9. American College of Rheumatology Atlanta Georgia
10. University of Texas Southwestern Medical Center Dallas