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. 2019 Nov 22;7(11):e14946. doi: 10.2196/14946

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©Maxine E Whelan, Carmelo Velardo, Heather Rutter, Lionel Tarassenko, Andrew J Farmer. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 22.11.2019.

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

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Cumulative frequency of participants with levels of anxiety and depression above their respective clinically defined thresholds. PHQ-8: Patient Health Questionnaire 8-item measure; GAD-7: General Anxiety Disorder 7-item measure.