1. Showers Family Center for Childhood Cancer and Blood Disorders; Akron Children's Hospital; Akron Ohio
2. Children's Hospital Association; Alexandria Virginia
3. Children's Hospital of the King's Daughters and Children's Specialty Group; Norfolk Virginia
4. Dana-Farber Cancer Institute and Boston Children's Hospital; Boston Massachusetts
5. Medical University of South Carolina; Charleston South Carolina
6. Children's Medical Center; Dallas Texas
7. St. Jude Children's Research Hospital; Memphis Tennessee