. 2021 Aug 26;23(8):e29328. doi: 10.2196/29328
©Zhong Zhao, Haiming Tang, Xiaobin Zhang, Xingda Qu, Xinyao Hu, Jianping Lu. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 26.08.2021.
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Figure 2.
Four areas of interest.