1. Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
2. Maine Medical Center, Portland, Maine
3. Boston Children’s Hospital, Boston, Massachusetts
4. American College of Surgeons, Chicago, Illinois
5. Washington University in Saint Louis, Saint Louis, Missouri
6. Primary Children’s Hospital, Salt Lake City, Utah
7. Children’s Hospital of Colorado, Aurora, Colorado
8. Children’s Hospital of Wisconsin, Milwaukee, Wisconsin
9. Yale New Haven Hospital, New Haven, Connecticut
10. Johns Hopkins School of Medicine, Baltimore, Maryland
11. Seattle Children’s Hospital, Seattle, Washington
12. Children’s Hospital at Vanderbilt, Nashville, Tennessee,
13. Morristown Medical Center, Morristown, New Jersey