1. Department of Health Education and Promotion, East Carolina University, Greenville, North Carolina, USA;
2. Department of Biostatistical Sciences, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA;
3. Department of Health Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland, USA;
4. Center for Research on Substance Use and Addiction, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA;
5. Department of Social Sciences and Health Policy, Wake Forest School of Medicine, Winston-Salem, North Carolina, USA