. 2018 Dec 21;6(12):e11724. doi: 10.2196/11724
©Xiomara Skrabal Ross, Kate M Gunn, Pandora Patterson, Ian Olver. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 21.12.2018.
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 1.
Flowchart of study selection process and included studies.