. 2021 Nov 26;23(11):e29742. doi: 10.2196/29742
©Matthias Domhardt, Sophie Engler, Hannah Nowak, Arne Lutsch, Amit Baumel, Harald Baumeister. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 26.11.2021.
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Figure 2.
Risk-of-bias graph.