. 2020 May 21;22(5):e16157. doi: 10.2196/16157
©Roberto Rafael Cruz-Martínez, Jobke Wentzel, Rikke Aune Asbjørnsen, Peter Daniel Noort, Johan Magnus van Niekerk, Robbert Sanderman, Julia EWC van Gemert-Pijnen. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 21.05.2020.
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 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.
Flowchart of included and excluded articles.