. 2018 Jan 25;20(1):e35. doi: 10.2196/jmir.8223
©Wei Zhang, Zhaohua Deng, Ziying Hong, Richard Evans, Jingdong Ma, Hui Zhang. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 25.01.2018.
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Figure 4.
Main results of the coding.