. 2020 Jun 10;22(6):e20239. doi: 10.2196/20239
©Mengyang Li, Heather Leslie, Bin Qi, Shan Nan, Hongshuo Feng, Hailing Cai, Xudong Lu, Huilong Duan. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 10.06.2020.
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