1. Division of Population Sciences, Dana-Farber Cancer Institute, Boston, MA
2. Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA
3. MedHealth Statistical Consulting, Inc, Solon, OH
4. Cactus Cancer Society, Oakland, CA
5. Medical Oncology, Kaiser Permanente Northern California, Oakland, CA
6. Pediatric Oncology, Kaiser Permanente Southern California, Pasadena, CA
7. Department of Research and Evaluation, Kaiser Permanente Southern California, Pasadena, CA
8. Division of Research, Kaiser Permanente Northern California, Oakland, CA
9. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, MA
10. Psychosocial Support and Research Program, National Cancer Institute, Bethesda, MD