. 2021 Nov 8;2021:6846074. doi: 10.1155/2021/6846074
Copyright © 2021 Chaima Hammami and Wafa Nasri.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
PRISMA flowchart of the study selection process.