Abbreviation: PSECDI, Penn State Electronic Cigarette Dependence Index. Download Scientific Diagram Adaptation and Psychometric Properties of the Electronic Cigarette Dependence Index (ECDI) in a Colombian Sample Johns Hopkins Medicine Team Proposes Ways to Regulate and Better Manage E Cigarette Use Johns Hopkins Medicine Assessing Nicotine Dependence AAFP Assessment of e cigarette dependence and influencing factors among Palestinian young adults: a cross sectional study Scientific Reports