1. Department of Social & Behavioral Sciences, School of Public Health, West Virginia University, Morgantown, WV, USA
2. School of Medicine, University of Pittsburgh, PA, USA
3. Department of Health Promotion, Education, & Behavior, Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
4. Department of Family & Preventive Medicine, School of Medicine, University of South Carolina, Columbia, SC, USA