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. 2021 Mar 25;23(3):e27009. doi: 10.2196/27009

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©Dandan Wang, Yuxing Qian. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 25.03.2021.

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

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The distribution of sentiment values for retweets (left) and comments (right) containing civil and uncivil content. The × symbols and circles represent means and outliers of the sentiment values, respectively.