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. 2019 May 13;8:80. Originally published 2019 Jan 21. [Version 2] doi: 10.12688/f1000research.17635.2

PMC6518446.1; 2019 Jan 21
PMC6518446.2; 2019 May 13

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Copyright: © 2019 Riahi F et al.

This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 16. — Regular users of ENDS. % - top 3 answers per country. Data are presented as unweighted n and weighted percentages. FR=France, UK=United Kingdom, US=United States. ENDS=Electronic Nicotine Delivery Systems.