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. 2018 Apr 19;5(2):e22. doi: 10.2196/mental.8363

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©Eyal Karin, Blake F Dear, Gillian Z Heller, Monique F Crane, Nickolai Titov. Originally published in JMIR Mental Health (http://mental.jmir.org), 19.04.2018.

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

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Pretreatment Patient Health Questionnaire 9-item (PHQ-9) symptoms influencing likelihood of missing cases or symptom outcomes. The **-dotted line implies a sample size of <10 participants from the sample of 820.