1. Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Boston, MA
2. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
3. Division of Population Sciences, Dana-Farber Cancer Institute, Boston, MA
4. Center for Bioethics, Harvard Medical School, Boston, MA
5. Office of Ethics, Boston Children's Hospital, Boston, MA
6. Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA
7. Division of Hematology/Oncology, Massachusetts General Hospital, Boston, MA