| Affiliation: | 1. Section of Pediatric Hematology/Oncology, Yale University School of Medicine and Yale Comprehensive Cancer Center, New Haven, Connecticut;2. Department of Biostatistics, College of Medicine, College of Public Health and Health Professions, University of Florida, Gainesville, Florida;3. Department of Pediatrics, University of Colorado School of Medicine and Children's Hospital Colorado, Aurora, Colorado;4. New York University Cancer Institute, New York, New York;5. Division of Pediatric Hematology/Oncology, University of Texas Southwestern School of Medicine, Dallas, Texas |
