1. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
2. Division of Population Sciences, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
3. Division of Pediatric Hematology/Oncology, Boston Children's Hospital, Boston, Massachusetts, USA.
4. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
5. Harvard Medical School, Boston, Massachusetts, USA.
6. School of Nursing, University of Alabama at Birmingham, Birmingham, Alabama, USA.
7. Department of Nursing, University of Iowa, Iowa City, Iowa, USA.
8. College of Nursing, University of Tennessee, Knoxville, Tennessee, USA.
9. Division of Hematology/Oncology, Knight Cancer Institute, Oregon Health and Sciences University, Portland, Oregon, USA.