1. School of Social Work, University of Alabama, Tuscaloosa, AL, USA
2. Korea Institute for Health and Social Affairs, Sejong, South Korea
3. Department of Social Work, College of Arts and Sciences, University of Alabama at Birmingham, Birmingham, AL, USA
4. Department of Health Behavior, School of Public Health, University of Alabama at Birmingham, Birmingham, AL, USA
5. Comprehensvie Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL, USA
6. Center for AIDS Research, University of Alabama at Birmingham, Birmingham, AL, USA
7. Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL, USA
8. Department of Medicine, Division of Gerontology, Geriatrics, and Palliative Care, University of Alabama at Birmingham, Birmingham, AL, USA