1. Rutgers Institute for Nicotine & Tobacco Studies, Rutgers Biomedical and Health Sciences, Rutgers University , New Brunswick, NJ , USA
2. Department of Health Behavior, Policy, and Administration Sciences, School of Public Health, University of Nevada, Reno , N V , USA
3. Department of Health Behavior, Society, and Policy, Rutgers School of Public Health , Piscataway, NJ , USA