1. Department of Pediatric OncologyDana‐Farber Cancer Institute BostonMassachusettsUSA
2. Department of Psychosocial Oncology and Palliative CareDana‐Farber Cancer Institute BostonMassachusettsUSA
3. Washington University School of Medicine St. LouisMissouriUSA
4. University of Michigan Medical School University of Michigan Ann Arbor USA
5. Survey and Data Management CoreDana‐Farber Cancer Institute BostonMassachusettsUSA
6. Department of PediatricsBoston Children's Hospital BostonMassachusettsUSA
7. Department of PediatricsHarvard Medical School BostonMassachusettsUSA