. 2018 Nov 19;20(11):e11669. doi: 10.2196/11669
©Jon-Patrick Allem, Likhit Dharmapuri, Adam M Leventhal, Jennifer B Unger, Tess Boley Cruz. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 19.11.2018.
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Figure 1.
Prevalence of topics.