1. Division of Social and Behavioral Sciences, School of Public Health, University of Memphis, Memphis, TN, USA
2. Department of Public Health and Social Work, Slippery Rock University, PA, USA
3. School of Public Health, University of Alberta, Edmonton, Canada
4. Syrian Center for Tobacco Studies, Aleppo, Syria
5. Department of Public Health Sciences, University of Miami, Leonard M. Miller School of Medicine, Miami, FL, USA
6. Sylvester Comprehensive Cancer Center, University of Miami, Miller School of Medicine, Miami, FL, USA
7. Center for the Study of Tobacco Products and Department of Psychology, Virginia Commonwealth University, Richmond, VA, USA
8. Department of Epidemiology, Robert Stempel College of Public Health and Social Work, Florida International University, Miami, Florida, USA