1. Department of Medicine; Stanford University School of Medicine; Palo Alto California
2. Department of Health Research and Policy; Stanford University School of Medicine; Palo Alto California
3. Palo Alto Medical Foundation Research Institute; Palo Alto California
4. Cancer Prevention Institute of California; Fremont California
5. Department of Radiation Oncology; Stanford University School of Medicine; Palo Alto California
6. Department of Surgery and Philip R. Lee Institute for Health Policy Studies; University of California at San Francisco; San Francisco California
7. Department of Medicine; University of California at Los Angeles; Los Angeles California
8. Patient Care Program; Gordon and Betty Moore Foundation; Palo Alto California
9. Department of Psychiatry and The Dartmouth Institute for Health Policy and Clinical Practice; Geisel School of Medicine; Lebanon New Hampshire