| Affiliation: | 1. Department of Epidemiology and Cancer Control, St. Jude Children's Research Hospital, Memphis, Tennessee;2. Department of Biostatistics, St. Jude Children's Research Hospital, Memphis, Tennessee;3. Clinical Research Division, Fred Hutchinson Cancer Research Center, Seattle, Washington;4. Department of Pediatrics, Emory University, Atlanta, Georgia;5. Dana‐Farber/Boston Children's Cancer and Blood Disorders Center and Harvard Medical School, Boston, Massachusetts;6. Division of Hematology/Oncology, Hospital for Sick Children, Toronto, Ontario, Canada;7. Department of Oncology, St. Jude Children's Research Hospital, Memphis, Tennessee |
