. 2023 Jan 11;9:e40201. doi: 10.2196/40201
©Sihong Zhao, Simeng Hu, Xiaoyu Zhou, Suhang Song, Qian Wang, Hongqiu Zheng, Ying Zhang, Zhiyuan Hou. Originally published in JMIR Public Health and Surveillance (https://publichealth.jmir.org), 11.01.2023.
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Figure 1.
Flow diagram.