1. Division of General Medicine and Geriatrics, Department of Medicine, Emory University, Atlanta, Georgia
2. Department of Veterans Affairs, Birmingham/Atlanta Geriatric Research, Education, and Clinical Center (GRECC), Birmingham, Alabama
3. Division of Gerontology, Geriatrics, and Palliative Care, Department of Medicine, University of Alabama at Birmingham
4. Department of Urology, University of Texas Health Science Center at San Antonio