1. Division of Geriatrics and Gerontology, Department of Medicine Emory University Decatur Georgia USA
2. Department of Neurology Emory University Atlanta Georgia USA
3. Birmingham/Atlanta VA Geriatric Research, Education, and Clinical Center Birmingham Alabama USA
4. Birmingham/Atlanta VA Geriatric Research, Education, and Clinical Center Atlanta Georgia USA
5. Division of Gerontology, Geriatrics, and Palliative Care, Department of Medicine University of Alabama at Birmingham Birmingham Alabama USA
6. Department of Epidemiology University of Alabama at Birmingham Birmingham Alabama USA
7. Nell Hodgson Woodruff School of Nursing Emory University Atlanta Georgia USA
8. Division of General Internal Medicine, Department of Medicine Emory University Atlanta Georgia USA
9. Department of Family and Preventive Medicine Emory University Atlanta Georgia USA