1. Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts, USA.
2. Department of Palliative Care and Geriatric Medicine, Harvard Medical School, Boston, Massachusetts, USA.
3. Department of Internal Medicine Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA.
4. Department of Emergency Medicine, Brigham and Women's Hospital/Harvard Medical School, Boston, Massachusetts, USA.
5. Department of Psychosocial Oncology and Palliative Care, Dana-Farber Cancer Institute, Boston, Massachusetts, USA.
6. Department of Social Work, Massachusetts General Hospital, Boston, Massachusetts, USA.