1. Division of Vascular Surgery, Stanford University School of Medicine, Stanford, California
2. Center for Innovation to Implementation, VA Palo Alto Health Care System, Menlo Park, California
3. Stanford-Surgery Policy Improvement Research & Education Center, Stanford University School of Medicine, Stanford, California
4. Center for Innovations in Quality, Effectiveness, and Safety, Michael E. DeBakey Veterans Affairs Medical Center, Houston, Texas
5. Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Texas
6. Section of Health Services Research, Department of Medicine, Baylor College of Medicine, Houston, Texas
7. Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
8. Department of Biostatistics, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, Pennsylvania
9. Department of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
10. Department of Surgery, Vanderbilt University Medical Center, Nashville, Tennessee
11. Department of Surgery, University of Wisconsin, Madison
12. Department of Surgery, University of Nebraska Medical Center, Omaha
13. Nebraska Western Iowa Veterans Affairs Health System, Omaha
14. Department of Surgery, University of Texas Health San Antonio, San Antonio
15. South Texas Veterans Health Care System, San Antonio
16. Surgical Service Line, Veterans Affairs Palo Alto Healthcare System, Palo Alto, California
17. Wolff Center, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania
18. Geriatric Research Educational and Clinical Center, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania