| Affiliation: | 1. Department of Pediatrics, Division of Pediatric Hematology, Oncology, University of Washington, Seattle, Washington;2. Department of Pediatrics, Division of Hematology, Oncology, University of Texas, Southwestern Medical Center, Dallas, TX;3. Department of Pediatrics, Division of Pediatric Cardiology, University of Texas, Southwestern Medical Center, Dallas, TX;4. Department of Clinical Research, Childrens Medical Center, Dallas, TX;5. Hematology/Oncology, Childrens Medical Center, Dallas, TX;6. Department of Hematology‐Oncology, Cook Children's Medical Center, Fort Worth, TX |
