. 2019 Jan 29;21(1):e10677. doi: 10.2196/10677
©Chenjie Xu, Yi Wang, Hongxi Yang, Jie Hou, Li Sun, Xinyu Zhang, Xinxi Cao, Yabing Hou, Lan Wang, Qiliang Cai, Yaogang Wang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 29.01.2019.
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