©Jingyi Hou, Qingyue Li, Menglei Yu, Fangqi Li, Yiyong Tang, Yi Long, Yamuhanmode Alike, Yuanhao Zhang, Maslah Idiris Ali, Congda Zhang, Weiping Li, Rui Yang. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 17.07.2020.
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