. 2021 Apr 30;23(4):e24316. doi: 10.2196/24316
©Yingfeng Zheng, Wei Wang, Yuxin Zhong, Fengchun Wu, Zhuoting Zhu, Yih-Chung Tham, Ecosse Lamoureux, Liang Xiao, Erta Zhu, Haoning Liu, Ling Jin, Linyi Liang, Lixia Luo, Mingguang He, Ian Morgan, Nathan Congdon, Yizhi Liu. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 30.04.2021.
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Figure 1.
Flow diagram for the trial.