. 2019 Aug 23;6(8):e12711. doi: 10.2196/12711
©Sanne van Luenen, Vivian Kraaij, Philip Spinhoven, Tom F Wilderjans, Nadia Garnefski. Originally published in JMIR Mental Health (http://mental.jmir.org), 23.08.2019.
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Flow of participants through the study. PHQ-9: Patient Health Questionnaire-9.