1. Surgery Service, Veterans Affairs (VA) Boston Healthcare System, West Roxbury, Massachusetts
2. Surgery Service, Charles George VA Medical Center, Asheville, North Carolina
3. Medicine Service, Department of VA Eastern Colorado Health Care System, Denver4Department of Medicine, University of Colorado School of Medicine–Anschutz Medical Campus, Aurora
4. Surgery Service, Northport VA Medical Center and Stony Brook University, Stony Brook, New York
5. Surgery Service, Department of VA Eastern Colorado Health Care System, Denver
6. Surgery Service, Northport VA Medical Center and Stony Brook University, Stony Brook, New York6currently with Division of Cardiothoracic Surgery, Department of Surgery, Duke University Hospital, Durham, North Carolina
7. Surgery Service, Milwaukee VA Medical Center, Milwaukee, Wisconsin
8. Surgery Service, Department of VA Eastern Colorado Health Care System, Denver9Department of Surgery, University of Colorado School of Medicine–Anschutz Medical Campus, Aurora
9. Cooperative Studies Program Coordinating Center and VA Medical Center, Perry Point, Maryland
10. Surgery Service, Northport VA Medical Center and Stony Brook University, Stony Brook, New York7Surgery Service, Department of VA Eastern Colorado Health Care System, Denver