1. School of Social Work, University of Alabama, Tuscaloosa, Alabama, USA
2. Department of Public Health and Recreation Professions, Southern Illinois University, Carbondale, Illinois, USA
3. Internal Medicine, Birmingham Veterans Affairs Medical Center, Birmingham, Alabama, USA
4. Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
5. School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana, USA
6. Culverhouse College of Business, University of Alabama, Tuscaloosa, Alabama, USA