1. aDivision of Quality of Life and Palliative Care, Department of Pediatrics, St. Jude Children’s Research Hospital, Memphis, Tennessee
2. bRollins School of Public Health, Emory University, Atlanta, Georgia
3. cDivision of Pediatric Neurology, Department of Pediatrics, Duke University, Durham, North Carolina
4. dDana-Farber Cancer Institute, Boston, Massachusetts
5. eDivision of Pediatric Hematology-Oncology, Department of Pediatrics, Boston Children’s Hospital, Boston, Massachusetts