1. Birmingham/Atlanta Geriatric Research, Education, and Clinical Center, Department of Veterans Affairs, Birmingham VA Medical Center, AL, USA
2. Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, AL, USA
3. School of Nursing, University of Alabama at Birmingham, AL, USA
4. Department of Community and Rural Medicine, The University of Alabama, Tuscaloosa, AL, USA
5. Department of Psychology, University of Alabama at Birmingham, AL, USA