1. Children’s Mercy Hospital
2. Duke University Medical Center
3. Nationwide Children’s Hospital
4. Riley Hospital for Children
5. Dell Children’s Medical Center of Central Texas
6. Rady Children’s Hospital
7. Section of Rheumatology, Seattle Children’s Hospital
8. Hackensack University Medical Center
9. Randall Children’s Hospital
10. Lurie Children’s Hospital
11. University of California San Francisco
12. Hospital for Sick Children