1. Pulmonary Illness Related to E-Cigarette Use in Illinois and Wisconsin — Final Report
2. CDC. Outbreak of Lung Injury Associated with the Use of E-Cigarette, or Vaping, Products [internet] Center for Disease Control and Prevention. [cited 2019 Nov 25]. Available from <a href="https://www.cdc.gov/tobacco/basic_information/e-cigarettes/severe-lung-disease.html" target="_blank">https://www.cdc.gov/tobacco/basic_information/e-cigarettes/severe-lung-disease.html</a>. 2019.
3. P. M. Massachusetts Becomes the First State to Ban Flavored Tobacco and Vaping Products [internet] TIME [cited 2019 Nov 30] Available from <a href="https://time.com/5741023/massachusetts-flavored-tobacco-vaping-menthol-ban/" target="_blank">https://time.com/5741023/massachusetts-flavored-tobacco-vaping-menthol-ban/</a>. 2019.
4. MOHW. Advise strongly people not to use flavored e-cigarettes [internet] Ministry of Health and Welfare. [cited 2019 Nov 30]. Available from<br><a href="http://www.mohw.go.kr/react/al/sal0301vw.jsp?PAR_MENU_ID=04&MENU_ID=0403&page=1&CONT_SEQ=350945" target="_blank">http://www.mohw.go.kr/react/al/sal0301vw.jsp?PAR_MENU_ID=04&MENU_ID=0403&page=1&CONT_SEQ=350945</a>. 2019.
5. Are Self-Reported Surveys Accurate for Assessing the Use of Novel Tobacco Products Such as Electronic Cigarettes and Heated Tobacco Products?