1. Harvard Medical School, Boston, Massachusetts2Surgery Service, VA Boston Healthcare System, Boston, Massachusetts
2. Research Service, VA Boston Healthcare System, Boston, Massachusetts4Boston University School of Medicine, Boston, Massachusetts
3. Harvard Medical School, Boston, Massachusetts5Pathology Service, VA Boston Healthcare System, Boston, Massachusetts
4. Boston University School of Medicine, Boston, Massachusetts6Medicine Service, VA Boston Healthcare System, Boston, Massachusetts
5. Harvard Medical School, Boston, Massachusetts7Brigham and Women’s Hospital, Boston, Massachusetts
6. Harvard Medical School, Boston, Massachusetts8Harvard Vanguard Medical Associates, Boston, Massachusetts9Beth Israel Deaconess Medical Center, Boston, Massachusetts
7. Harvard Medical School, Boston, Massachusetts2Surgery Service, VA Boston Healthcare System, Boston, Massachusetts7Brigham and Women’s Hospital, Boston, Massachusetts