1. Department of Epidemiology and Public Health, Yale School of Medicine, New Haven, Connecticut.
2. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut; CERC, VA Connecticut Healthcare System, West Haven, Connecticut.
3. Center for Psychoncology and Palliative Care Research, Dana-Farber Cancer Institute, Department of Psychiatry, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
4. Yale School of Nursing, New Haven, Connecticut.
5. The Connecticut Hospice and the John D. Thompson Hospice Institute for Education, Training, and Research, Branford, Connecticut.