1. Stanford–Surgery Policy Improvement Research and Education Center, Department of Surgery, Stanford University School of Medicine, Stanford, California
2. Department of Surgery, Stanford University School of Medicine, Stanford, California
3. Geriatric Research, Education and Clinical Center, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
4. Department of Emergency Medicine, Stanford University School of Medicine, Stanford, California
5. Department of Surgery, New York University Grossman School of Medicine, New York, New York
6. Center for Innovation to Implementation, Palo Alto Veterans Affairs Health Care System, Palo Alto, California
7. Division of Geriatrics, University of California, San Francisco
8. Endocrine Research Unit, Department of Medicine, San Francisco Veterans Affairs Medical Center, University of California, San Francisco
9. Department of Medicine, University of California, San Francisco
10. Division of Nephrology, Stanford University School of Medicine, Stanford, California