Fernández-Torres, Javier http://orcid.org/0000-0002-7271-2862
Martínez-Nava, Gabriela Angélica http://orcid.org/0000-0001-9857-3840
Zamudio-Cuevas, Yessica http://orcid.org/0000-0003-1751-3454
Martínez-Flores, Karina http://orcid.org/0000-0003-0675-0227
Espinosa-Morales, Rolando http://orcid.org/0000-0002-3923-6956
Article History
Received: 4 December 2018
Accepted: 24 January 2019
First Online: 8 February 2019
Compliance with ethical standards
:
: The authors declare that they have not conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the INRLGII-Institutional Research and Ethical Committee (CONBIOETICA-09-CEI-031-20171207) and with the Helsinki Declaration (1964). This study was approved by the ethics committee of the INRLGII.
: Informed consent was obtained from all individual participants included in the study.