. 2019 Feb 25;13(2):e0007125. doi: 10.1371/journal.pntd.0007125
© 2019 Pan American Health Organization, Regional Office for the Americas of the World Health Organization
This is an open access article distributed under the terms of the Creative Commons Attribution IGO License (http://creativecommons.org/licenses/by/3.0/igo/legalcode), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. In any reproduction of this article there should not be any suggestion that PAHO or this article endorse any specific organization or products. The use of the PAHO logo is not permitted. This notice should be preserved along with the article's original URL.