. 2015 Sep 16;2015:523851. doi: 10.1155/2015/523851
Copyright © 2015 Andréia Cristina de Oliveira Silva 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.