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. 2019 Jun 18;21(6):e12709. doi: 10.2196/12709

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©Grace Kong, Heather LaVallee, Alissa Rams, Divya Ramamurthi, Suchitra Krishnan-Sarin. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 18.06.2019.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on http://www.jmir.org/, as well as this copyright and license information must be included.

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Inclusion of YouTube videos on vape tricks and reasons for exclusion. The videos shown on the first 2 pages of each search term (n=11) were considered for inclusion. *Miscellaneous ineligible videos included videos on magic tricks, how to hack an e-cigarette not for conducting vape tricks, and video games unrelated to vape tricks.