1. Department of Chronic Disease Epidemiology, Yale University School of Public Health, New Haven, Connecticut.
2. Cancer Outcomes, Public Policy, and Effectiveness Research (COPPER) Center, Yale Cancer Center and Yale University School of Medicine, New Haven, Connecticut.
3. Department of Geriatrics and Palliative Medicine, Mount Sinai School of Medicine, New York, New York and James J. Peters VA Medical Center, Bronx, New York.
4. Section of General Internal Medicine, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut.
5. Department of Health Policy and Management, Yale University School of Public Health, New Haven, Connecticut.
6. John D. Thompson Hospice Institute for Education, Training, and Research, Inc., Branford, Connecticut.