Miguel-Angel Mercado, Mario Vilatoba, Alan Contreras, Pilar Leal-Leyte, Eduardo Cervantes-Alvarez, Juan-Carlos Arriola, Bruno-Adonai Gonzalez, Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Tlalpan México 14080, DF, México
Eduardo Cervantes-Alvarez, PECEM, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City 04510, México
Author contributions: Mercado MA, Leal-Leyte P and Cervantes-Alvarez E contributed to study conception and design; Mercado MA and Gonzalez BA contributed to the acquisition of data; Mercado MA, Vilatoba M, Contreras A, Leal-Leyte P, Cervantes-Alvarez E and Gonzalez BA contributed to analysis and interpretation; Mercado MA, Leal-Leyte P and Cervantes-Alvarez E contributed to drafting of manuscript; Mercado MA, Vilatoba M, Contreras A, Leal-Leyte P, Cervantes-Alvarez E and Gonzalez BA contributed to critical review; Arriola JC contributed to the figures.
Institutional review board statement: The study was reviewed and approved by the Research Committee and the Research Ethics Committee of the Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán.
Conflict-of-interest statement: None.
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: Miguel-Angel Mercado, MD, Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga No. 15, Col. Belisario Domínguez Sección XVI, Tlalpan México 14080, DF, México. email@example.com
Received: June 5, 2015
Peer-review started: June 5, 2015
First decision: June 18, 2015
Revised: August 21, 2015
Accepted: September 1, 2015
Article in press: September 2, 2015
Published online: October 27, 2015