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. 2017 Jun 13;3(2):e35. doi: 10.2196/publichealth.5939

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©Son Doan, Amanda Ritchart, Nicholas Perry, Juan D Chaparro, Mike Conway. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 13.06.2017.

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 JMIR Public Health and Surveillance, is properly cited. The complete bibliographic information, a link to the original publication on http://publichealth.jmir.org, as well as this copyright and license information must be included.

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Stress theme distribution by each of the 4 cities in dataset 2. There are no significant differences between cities (P>.05). Neg: negative; Pos: positive; S: symptoms; T: topics.