1. Birmingham/Atlanta Geriatric Research, Education, and Clinical Center, Department of Veterans Affairs Medical Center, Birmingham, Alabama and Atlanta, Georgia
2. Division of General Medicine and Geriatrics, Department of Medicine, Emory University, Atlanta, Georgia
3. Center for Aging, University of Alabama at Birmingham, Birmingham, Alabama
4. School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
5. School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama