1. Division of Hematology/Oncology, Department of Pediatrics, Walter Reed National Military Medical Center, Bethesda, Maryland, USA.
2. Department of Pediatrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.
3. Division of Pediatric Hematology-Oncology, Department of Pediatrics, Maine Medical Center, Portland, Maine, USA.
4. Department of Radiation Oncology Mayo Clinic Arizona, Phoenix, Arizona, USA.
5. Department of Pediatric and Adolescent Medicine, Division of Pediatric Oncology, Mayo Clinic, Rochester, Minnesota, USA.
6. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York, USA.
7. Division of Surgical Oncology, Winship Cancer Institute, Emory University, Atlanta, Georgia, USA.
8. Knight Cancer Institute, Department of Medicine and Department of Pediatrics, Oregon Health & Science University, Portland, Oregon, USA.
9. Division of Hematology-Oncology, Department of Internal Medicine, Vanderbilt-Ingram Cancer Center, Nashville, Tennessee, USA.
10. Department of Radiation Oncology, University of Florida, Jacksonville, Florida, USA.
11. Division of Hematology and Oncology, Center for Cancer and Blood Disorders, Connecticut Children's Medical Center, Hartford, Connecticut, USA.
12. Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Harvard Medical School, Boston, Massachusetts, USA.
13. Department of Sarcoma Medical Oncology, UT MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
14. Department of Individualized Cancer Management, Moffitt Cancer Center, Tampa, Florida, USA.
15. Division of Medical Oncology, Duke Cancer Institute, Durham, North Carolina, USA.
16. Department of Epidemiology and Biostatistics, University of Arizona, Tucson, Arizona, USA.