Affiliation: | 1. Department of Pediatrics, Weill Cornell Medical College, New York, New York;2. Department of Biostatistics, Fred Hutchinson Cancer Research Center, Seattle, Washington;3. Department of Pediatric Oncology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania;4. Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, Tennessee;5. Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, Houston, Texas;6. Department of Pediatrics, Memorial Sloan Kettering Cancer Center, New York, New York |