1. Department of Internal Medicine, School of Medicine; University of Alabama at Birmingham; Birmingham Alabama USA
2. Department of Social Work, College of Arts and Sciences; University of Alabama at Birmingham; Birmingham Alabama USA
3. Department of Health Behavior, School of Public Health; University of Alabama at Birmingham; Birmingham Alabama USA
4. Center for AIDS Research, School of Medicine; University of Alabama at Birmingham; Birmingham Alabama USA
5. Comprehensive Center for Healthy Aging, School of Medicine; University of Alabama at Birmingham; Birmingham Alabama USA
6. Department of Surgery, School of Medicine; University of Alabama at Birmingham; Birmingham Alabama USA
7. School of Social Work; University of Alabama; Tuscaloosa Alabama USA
8. University of Alabama at Birmingham; Birmingham Alabama USA
9. Division of Gastroenterology & Hepatology, School of Medicine, Birmingham Veterans Affairs Hospital; University of Alabama at Birmingham; Birmingham Alabama USA