. 2018 Apr 5;2018:4615043. doi: 10.1155/2018/4615043
Copyright © 2018 Sharaf-Eldin Shehada et al.
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.
Study flowchart.