1. Helen DeVos Children's Hospital; Grand Rapids Michigan
2. Michigan State University College of Human Medicine; Grand Rapids Michigan
3. Cardinal Glennon Children's Medical Center; Saint Louis University School of Medicine; Saint Louis Missouri
4. Rady Children's Hospital; University of California San Diego School of Medicine; San Diego California
5. Department of Radiology; University of Vermont Medical Center; Burlington Vermont
6. Medical Biostatistics and Biometry Facility; University of Vermont College of Medicine; Burlington Vermont
7. Levine Children's Hospital; Charlotte North Carolina
8. Medical University of South Carolina; Charleston South Carolina
9. Arnold Palmer Hospital for Children; Orlando Florida
10. Dana-Farber Cancer Institute; Boston Massachusetts