| Affiliation: | 1. Pediatric Hematology/Oncology, University of California–San Francisco Benioff Children's Hospital, San Francisco, California;2. Clinical Biostatistics and Cancer Prevention, Fred Hutchinson Cancer Research Center, Seattle, Washington;3. Division of Pediatrics, MD Anderson Cancer Center, Houston, Texas;4. Pediatrics, Memorial Sloan‐Kettering Cancer Center, New York, New York;5. Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, Tennessee;6. Pediatric Hematology/Oncology, Children's Hospital of Alabama, Birmingham, Alabama |
