1. Division of Biostatistics, Department of Public Health Sciences, University of California Davis School of Medicine, Davis
2. Department of Training and Scientific Research, University Medical Center, Ho Chi Minh City, Vietnam
3. General Internal Medicine Section, Department of Veterans Affairs, University of California, San Francisco
4. Department of Medicine, University of California, San Francisco
5. Department of Epidemiology and Biostatistics, University of California, San Francisco
6. Department of Biostatistics, Epidemiology & Informatics, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania
7. Department of Surgery, Office of Health Promotion Research, Larner College of Medicine at the University of Vermont and University of Vermont Cancer Center, Burlington, Vermont
8. Department of Radiology, University of Washington School of Medicine, Seattle
9. Department of Health Systems and Population Health, University of Washington School of Public Health, Seattle
10. Hutchinson Institute for Cancer Outcomes Research, Seattle, Washington
11. Division of General Internal Medicine, Department of Medicine, University of California, San Francisco
12. The Dartmouth Institute for Health Policy and Clinical Practice, Dartmouth College, Lebanon, New Hampshire
13. Department of Medicine, Geisel School of Medicine at Dartmouth, Hanover, Lebanon, New Hampshire
14. Department of Oncology, Norris Cotton Cancer Center, Lebanon, New Hampshire
15. Kaiser Permanente Washington Health Research Institute, Kaiser Permanente Washington, Seattle