. 2020 Nov 22;12(11):e11621. doi: 10.7759/cureus.11621
Copyright © 2020, Abu-Zaid et al.
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 2. Risk of bias summary and graph.
