. 2015 Nov;70(11):758–764. doi: 10.6061/clinics/2015(11)08
Copyright © 2015 CLINICS
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Flow chart.