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. 2021 Oct 22;23(10):e30217. doi: 10.2196/30217

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©Aviad Elyashar, Ilia Plochotnikov, Idan-Chaim Cohen, Rami Puzis, Odeya Cohen. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 22.10.2021.

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 https://www.jmir.org/, as well as this copyright and license information must be included.

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Alignment of topic distributions. Topics, represented with word clouds, were obtained from four different distributions of 15, 20, 25, and 30 topics. Every pair of aligned topics is connected using a weighted link. The weight and the width of each link represent the Jaccard coefficient of the sets of words associated with the two aligned topics; coefficients are reported in the top rows of each set of values. Links having a Jaccard coefficient lower than 0.3 are not shown. Topics that have no link are also not shown (except topic 10).