1. Department of Epidemiology and International Health, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama
2. Department of Health Behavior, School of Public Health, University of Alabama at Birmingham, Birmingham, Alabama
3. Department of Sociology, School of Behavioral and Social Sciences, University of Alabama at Birmingham, Birmingham, Alabama
4. Department of Epidemiology and International Health, School of Public Health and Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama
5. Department of Epidemiology and International Health, School of Public Health and Department of Medicine, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama