Contreras-Yáñez, Irazú http://orcid.org/0000-0001-6711-2275
Guaracha-Basáñez, Guillermo http://orcid.org/0000-0001-8060-7301
Pascual-Ramos, Virginia http://orcid.org/0000-0002-7368-498X
Article History
Received: 8 August 2019
Accepted: 25 September 2019
First Online: 12 October 2019
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: All procedures performed this study were in accordance with the ethical standards of the Institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.