Padilla-González, Guillermo F.
Diazgranados, Mauricio http://orcid.org/0000-0003-0448-5706
Da Costa, Fernando B. http://orcid.org/0000-0002-2345-5804
Article History
Received: 22 December 2016
Accepted: 27 July 2017
First Online: 18 August 2017
Competing Interests
: The authors declare that they have no competing interests.