From the Department of Pediatric Oncology, Dana-Farber Cancer Institute and Children's Hospital, Boston, MA; Department of Pediatrics, University of Washington; Departments of Cancer Prevention and Clinical Statistics, Fred Hutchinson Cancer Research Center, Seattle, WA; Department of Pediatrics, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI; Departments of Oncology, Epidemiology and Cancer Control, St Jude Children's Research Hospital, Memphis, TN; Department of Pediatrics, Emory... (At 2009-05-10)
