. 2021 Jul 26;23(7):e23779. doi: 10.2196/23779
©Feng Yang, Huilin Shu, Xiaoqian Zhang. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 26.07.2021.
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 the Journal of Medical Internet Research, is properly cited. The complete bibliographic information, a link to the original publication on https://www.jmir.org/, as well as this copyright and license information must be included.
Figure 2.
The visualization map of high-frequency keywords.