Eunice D Farfán-García, Emily L Castillo-García, Marvin A Soriano-Ursúa, Department of Physiology, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México 11340, Mexico
Author contributions: Farfán-García ED and Soriano-Ursúa MA conceived the study and drafted the manuscript; all authors collected, added and analyzed data; all authors approved the final version of the article.
Supported by Consejo Nacional de Ciencia y Tecnologí a de Mé xico, No. CB235785.
Conflict-of-interest statement: The authors have no conflict of interest to declare.
Open-Access: This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/
Correspondence to: Marvin A Soriano-Ursúa, MD, PhD, Professor, Research Scientist, Department of Physiology, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón, Del. Miguel Hidalgo, Ciudad de México 11340, Mexico. email@example.com
Telephone: +52-55-57296000 Fax: +52-55-57296000
Received: June 20, 2018
Peer-review started: June 21, 2018
First decision: July 9, 2018
Revised: July 31, 2018
Accepted: August 30, 2018
Article in press: August 30, 2018
Published online: September 20, 2018