1. Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA.
2. Department of Health Systems Science, Kaiser Permanente Bernard J. Tyson School of Medicine, Pasadena, California, USA.
3. Kaiser Permanente Southern California, Pasadena, California, USA.
4. Veteran’s Affairs Los Angeles County, Los Angeles, California, USA.
5. Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, North Carolina, USA.
6. Cactus Cancer Society, Oakland, California, USA.
7. Department of Pediatrics, Huntsman Cancer Institute and the University of Utah, Salt Lake City, Utah, USA.
8. School of Social Work, University of Michigan, Ann Arbor, Michigan, USA.
9. Center for Oncology Hematology Outcomes Research and Training (COHORT), Division of Hematology and Oncology, University of California Davis Comprehensive Cancer Center, Sacramento, California, USA.
10. Division of Research, Kaiser Permanente, Northern California, Oakland, California, USA.
11. Division of Medical Oncology, Department of Oncology, Mayo Clinic, Rochester, Minnesota, USA.
12. Division of Surgical Oncology, Department of Surgery, University of California, Davis Medical Center, Sacramento, California, USA.