1. School of Social Work, University of Maryland, Baltimore, Maryland, USA
2. Department of Health, Behavior and Society, College of Public Health, University of Kentucky, Lexington, Kentucky, USA
3. Department of Preventive Medicine and Environmental Health, College of Public Health, University of Kentucky, Lexington, Kentucky, USA
4. Department of Epidemiology, Department of Health Behavior, College of Public Health, University of Kentucky, Lexington, Kentucky, USA
5. Department of Epidemiology, College of Public Health, University of Kentucky, Lexington, Kentucky, USA