. 2019 Jul 22;21(7):e12869. doi: 10.2196/12869
©Emily G Lattie, Elizabeth C Adkins, Nathan Winquist, Colleen Stiles-Shields, Q Eileen Wafford, Andrea K Graham. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 22.07.2019.
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 1.

Preferred Reporting Items for Systematic Reviews and Meta-Analyses flow diagram.