. 2020 Nov 25;8(11):e15978. doi: 10.2196/15978
©Ning Deng, Juan Chen, Yiyuan Liu, Shuoshuo Wei, Leiyi Sheng, Rong Lu, Zheyu Wang, Jiarong Zhu, Jiye An, Bei Wang, Hui Lin, Xiuyan Wang, Yumin Zhou, Huilong Duan, Pixin Ran. Originally published in JMIR mHealth and uHealth (http://mhealth.jmir.org), 25.11.2020.
This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR mHealth and uHealth, is properly cited. The complete bibliographic information, a link to the original publication on http://mhealth.jmir.org/, as well as this copyright and license information must be included.
Figure 4.
Flow diagram of patient recruitment and the study timeline.