1. Ariadne Labs, Boston, Massachusetts.
2. Department of Surgery, Massachusetts General Hospital, Boston, Massachusetts.
3. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts.
4. Department of Psychiatry, Brigham and Women's Hospital, Boston, Massachusetts.
5. Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts.
6. Harvard Medical School, Boston, Massachusetts.
7. Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts.
8. Center for Surgery and Public Health, Brigham and Women's Hospital, Boston, Massachusetts.