1. Children's National Medical Center; The George Washington School of Medicine; Washington DC
2. University of Massachusetts Medical School; Boston MA
3. University of Colorado SOM and Children's Hospital Colorado; Aurora CO
4. Indiana University School of Medicine; Indianapolis IN
5. University of Florida College of Medicine and Shands Hospital for Children; Jacksonville FL
6. University of California; San Francisco CA
7. Seattle Children's Hospital; Seattle WA
8. Merck Sharp and Dohme; Lansdale PA
9. John's Hopkins's School of Medicine; Baltimore MD
10. Inova Fairfax Hospital; Fall Church VA