1. Department of Surgery University of California San Francisco School of Medicine San Francisco California USA
2. University of California San Francisco Pepper Center San Francisco California USA
3. Center for Outcomes Research and Evaluation Yale–New Haven Hospital New Haven Connecticut USA
4. Section of General Internal Medicine Yale University School of Medicine New Haven Connecticut USA
5. Department of Health Policy and Management Yale University School of Public Health New Haven Connecticut USA
6. Division of Hospital Medicine University of California San Francisco School of Medicine San Francisco California USA
7. Department of Medicine University of California San Francisco School of Medicine San Francisco California USA
8. Division of Geriatrics University of California San Francisco School of Medicine San Francisco California USA
9. Department of Medicine San Francisco VA Medical Center San Francisco California USA