. 2019 Feb 4;21(2):e10404. doi: 10.2196/10404
©Yu-Ting Hung, Ching-Fang Wu, Te-Hsin Liang, Shin-Shang Chou, Guan-Liang Chen, Pei-Ni Wu, Guan-Rong Su, Tsuey-Huah Jang, Chang-Yi Liu, Ching-Yen Wang, Ling-Ming Tseng, Shuh-Jen Sheu. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 04.02.2019.
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 http://www.jmir.org/, as well as this copyright and license information must be included.
Figure 2.

Website structure.