1. Department of Family and Geriatric Medicine, University of Louisville, Louisville, Kentucky.
2. Interdisciplinary Program for Palliative Care and Chronic Illness, University of Louisville, Louisville, Kentucky.
3. University of Louisville, Louisville, Kentucky.
4. Department of Internal Medicine, University of Louisville, Louisville, Kentucky.
5. Birmingham/Atlanta VA Geriatric Research, Education, Clinical Center; Division of Gerontology and Geriatric Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama.