Alvarado, Gelvis http://orcid.org/0000-0002-9403-1101
García, Marina http://orcid.org/0000-0003-3461-1566
Jáuregui, Damelis http://orcid.org/0000-0002-9894-2797
Alvarado, Hipolito http://orcid.org/0000-0001-5498-6053
Zambrano, Freddy http://orcid.org/0000-0003-0004-9122
Article History
Received: 8 May 2019
Accepted: 21 January 2020
First Online: 4 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.