1. Department of Surgery, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania, U.S.A.
2. Department of Pathology, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts, U.S.A.
3. Department of Radiation Oncology, Harvard Medical School and Dana-Farber/Brigham and Women's Cancer Center, Dana-Farber Cancer Institute, Boston, Massachusetts, U.S.A.
4. Department of Surgery, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts, U.S.A.
5. Department of Anesthesiology, Harvard Medical School and Brigham and Women's Hospital, Boston, Massachusetts, U.S.A.
6. Department of Surgery, University of Florida, Gainesville, Florida, U.S.A.
7. Division of Medical Oncology, Department of Medicine, Harvard Medical School and Dana-Farber/Brigham and Women's Cancer Center, Dana-Farber Cancer Institute, Boston, Massachusetts, U.S.A.