1. Kaiser Permanente Washington Health Research Institute, 1730 Minor Avenue Suite 1600, Seattle, WA 98101, USA
2. Cactus Cancer Society, 2323 Broadway, Oakland, CA 94612, USA
3. Veterans Affairs Greater Los Angeles Healthcare System, Center for the Study of Healthcare Innovation, Implementation & Policy, 16111 Plummer Street (152), North Hills, CA 91343, USA
4. School of Social Work, University of Michigan, 1080 S. University, Ann Arbor, MI 48109, USA
5. Department of Research and Evaluation, Kaiser Permanente Southern California, 100 S. Los Robles Avenue, Pasadena, CA 91101, USA
6. Division of Hematology and Oncology, University of California Davis Comprehensive Cancer Center, 4501 X Street Suite 3016, Sacramento, CA 95817, USA
7. Huntsman Cancer Institute, University of Utah, 2000 Circle of Hope, Office 4715, Salt Lake City, UT 84112, USA
8. Division of Research, Kaiser Permanente Northern California, 2000 Broadway, Oakland, CA 94612, USA
9. Gillings School of Global Public Health, University of North Carolina, 2104F Mcgavran-Greenberg Hall CB #7435, Chapel Hill, NC 27599, USA
10. Division of Surgical Oncology, Department of Surgery, University of California Davis Comprehensive Cancer Center, 4501 X Street Suite 3010, Sacramento, CA 95817, USA