Affiliation: | 1. Division of Oncology, Children's National Medical Center, Washington, District of Columbia;2. Department of Pediatrics, Rady Children's Hospital San Diego, San Diego, California;3. Children's Oncology Group‐Chair's Office, Bethesda, Maryland;4. Children's Oncology Group‐Operations Center, Arcadia, California;5. Children's Hospital of Los Angeles, Los Angeles, California;6. Abramson Research Center, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania |