1. School of Women's and Children's Health, UNSW Sydney, Kensington, Australia.
2. Behavioural Sciences Unit, Kids Cancer Centre, Sydney Children's Hospital, Randwick, Australia.
3. Department of Research, Evaluation & Social Policy, CanTeen Australia, Sydney, Australia.
4. Cancer Nursing Research Unit, University of Sydney, Sydney, Australia.
5. Department of Pediatrics, University of Washington School of Medicine, Seattle, Washington.
6. Cancer and Blood Disorders Center and Treuman Katz Center for Pediatric Bioethics, Seattle Children's Hospital, Seattle, Washington.
7. National Institutes of Health, Bethesda, Maryland.