. 2020 Aug 6;22(8):e20961. doi: 10.2196/20961
©Guanjian Li, Dongdong Tang, Bing Song, Chao Wang, Shen Qunshan, Chuan Xu, Hao Geng, Huan Wu, Xiaojin He, Yunxia Cao. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 06.08.2020.
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