1. Department of Emergency Medicine, University of California, San Francisco
2. Department of Public Health Sciences, University of California, Davis
3. Comprehensive Cancer Center, University of California, Davis
4. Kaiser Permanente Washington Health Research Institute, Kaiser Permanente Washington, Seattle
5. Division of Research, Kaiser Permanente Northern California, Oakland
6. Marshfield Clinic Research Institute, Marshfield Clinic Health System, Marshfield, Wisconsin
7. Genomic Medicine Institute, Geisinger, Danville, Pennsylvania
8. Massachusetts Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston
9. now with Center for Health Research, Kaiser Permanente Northwest, Portland, Oregon
10. Center for Integrated Health Research, Kaiser Permanente Hawaii, Honolulu
11. Department of Radiology and Biomedical Imaging, University of California, San Francisco
12. Department of Epidemiology and Biostatistics, University of California, San Francisco
13. Philip R. Lee Institute for Health Policy Studies, University of California, San Francisco