. 2020 Dec 8;22(12):e22555. doi: 10.2196/22555
©Yao Lu, Tianshu Zhou, Yu Tian, Shiqiang Zhu, Jingsong Li. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 08.12.2020.
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Figure 2.
Workflow of the proposed protocol.