. 2021 Sep 16;23(9):e27634. doi: 10.2196/27634
©Abidan Ainiwaer, Shuai Zhang, Xiayiabasi Ainiwaer, Feicheng Ma. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 16.09.2021.
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Figure 2.
Risk of bias summary of the individual studies (k=24).