. 2019 Mar 1;21(3):e12998. doi: 10.2196/12998
©Hayfaa Abdelmageed Wahabi, Samia Ahmed Esmaeil, Khawater Hassan Bahkali, Maher Abdelraheim Titi, Yasser Sami Amer, Amel Ahmed Fayed, Amr Jamal, Nasriah Zakaria, Amna Rehana Siddiqui, Monika Semwal, Lorainne Tudor Car, Paul Posadzki, Josip Car. Originally published in the Journal of Medical Internet Research (http://www.jmir.org), 01.03.2019.
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.
Risk of bias graph.