1. Barboza D. China’s E-Cigarette Boom Lacks Oversight for Safety [Internet]. The New York Times. The New York Times; 2014. Available from: https://www.nytimes.com/2014/12/14/business/international/chinas-e-cigarette-boom-lacks-oversight-for-safety-.html. [cited 29 May 2017].
2. Electronic cigarette fires and explosions;Federal Emergency Management Agency,2014
3. Electronic cigarettes: product characterization and design considerations;Brown;Tob Control,2014
4. Reasons for electronic cigarette experimentation and discontinuation among adolescents and young adults;Kong;Nicotine Tob Res,2014
5. Electronic Cigarette Statistics [Internet]. Statistic Brain; 2016. Available from: http://www.statisticbrain.com/electronic-cigarette-statistics. [cited 1 June 2017].