1. Johns Hopkins Medical Institutions; Baltimore MD
2. Children's Hospital of Philadelphia; Philadelphia PA
3. UCSF School of Medicine; San Francisco CA
4. University of Colorado School of Medicine; Aurora CO
5. University of Michigan School of Public Health; Ann Arbor MI
6. Cincinnati Children's Hospital Medical Center; Cincinnati OH
7. Texas Children's Hospital; Houston TX
8. Mount Sinai School of Medicine; New York NY
9. Children's Hospital Pittsburgh of UPMC; Pittsburgh PA
10. Washington University; St. Louis MO
11. Children's Memorial Hospital; Chicago IL
12. Indiana University; Riley Hospital for Children; Indianapolis IN
13. Seattle Children's and University of Washington; Seattle WA
14. The Hospital for Sick Children; University of Toronto; Toronto ON Canada
15. Emory University; Atlanta GA
16. Children's Hospital Los Angeles; Keck School of Medicine University of Southern California; Los Angeles CA
17. University of Michigan Medical School; Ann Arbor MI