. 2020 Mar 23;22(3):e16233. doi: 10.2196/16233
©Shuang Li, Guoqing Li, Ying Liu, Wanying Xu, Ningning Yang, Haoyuan Chen, Ning Li, Kunpeng Luo, Shizhu Jin. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 23.03.2020.
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Figure 2.
Flow diagram showing the details of the participant enrollment, randomization, and tests. e-learning: electronic learning.