Yate, Luis http://orcid.org/0000-0002-0411-4932
Coy, L. Emerson http://orcid.org/0000-0002-4149-9720
Aperador, Willian
Article History
Received: 18 October 2016
Accepted: 26 April 2017
First Online: 8 June 2017
Competing Interests
: The authors declare that they have no competing interests.