1. University of Michigan; Ann Arbor
2. Cincinnati Children's Hospital Medical Center; Cincinnati Ohio
3. Cincinnati Children's Hospital Medical Center and University of Cincinnati School of Medicine; Cincinnati Ohio
4. Joseph M. Sanzari Children's Hospital; Hackensack University Medical Center; Hackensack New Jersey
5. The Cleveland Clinic; Cleveland Ohio
6. University of Arkansas for Medical Science; Little Rock
7. Cohen Children's Medical Center, Northwell Health; Hofstra Norwell School of Medicine; Hempstead New York
8. Medical College of Wisconsin; Milwaukee
9. Connecticut Children's Medical Center; Hartford
10. Phoenix Children's Hospital; Phoenix Arizona
11. Children's National Medical Center; Washington DC
12. Children's Hospital of Pittsburgh; Pittsburgh Pennsylvania
13. Emory University School of Medicine; Atlanta Georgia
14. Medical University of South Carolina; Charleston
15. University of Alabama at Birmingham
16. Children's Hospital at Montefiore/Albert Einstein College of Medicine; Bronx New York