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. 2020 Mar 20;20:364. doi: 10.1186/s12889-020-8365-x

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© The Author(s). 2020

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 8 — Key themes across commercial advertising and social marketing media articles, including number of articles per theme. Note. Theme groupings are not mutually exclusive and articles are often coded to multiple themes.