. 2019 Oct 24;6(10):e11841. doi: 10.2196/11841
©Melvyn Wb Zhang, Jiangbo Ying, Guo Song, Daniel S S Fung, Helen Smith. Originally published in JMIR Mental Health (http://mental.jmir.org), 24.10.2019.
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Figure 1.
Overview of selection of studies.