. 2015 May 3;2015:546891. doi: 10.1155/2015/546891
Copyright © 2015 Paloma Lopes Francisco Parazzi 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.
Flowchart of the study selection.