1. Center for Health Promotion, Department of Health Behavior, University of Alabama at Birmingham.
2. Department of Behavioral Sciences and Health Education, Rollins School of Public Health, Emory University, Atlanta, Georgia.
3. School of Medicine, Department of Preventive Medicine, University of Alabama at Birmingham.
4. School of Medicine, Department of Pediatrics, University of Alabama at Birmingham.
5. School of Medicine, Department of Epidemiology, University of Mississippi, Oxford.