Assessment of the prevalence, knowledge, and perceptions of e cigarette use among the Palestinian community: a cross sectional study Scientific Reports Milestones in the natural course of the onset of e cigarette dependence among adolescents and young adults: Retrospective study ScienceDirect Measuring cigarette dependence: A comparison of two scales in two different groups of smokers Nicotine dependence and associated factors among persons who use electronic e cigarettes in Malaysia an online survey Substance Abuse Treatment, Prevention, and Policy Springer Nature Link E Cigarettes are More Addictive than Traditional CigarettesA Study in Highly Educated Young People