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