1. Duke Palliative Care, Duke University School of Medicine, Durham, North Carolina.
2. Division of General Psychiatry, Duke University School of Medicine, Durham, North Carolina.
3. Department of Psychiatry and Behavioral Sciences, Duke University School of Medicine, Durham, North Carolina.
4. Division of General Internal Medicine, Duke University School of Medicine, Durham, North Carolina.
5. Department of Medicine, Duke University School of Medicine, Durham, North Carolina.
6. Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai, New York, New York.
7. Duke University School of Medicine, Durham, North Carolina.
8. Division of Geriatrics, Durham Veterans Administration Medical Center, Durham, North Carolina.
9. Geriatrics Research Education and Clinical Center, Durham Veterans Administration Medical Center, Durham, North Carolina.