Text and Data Mining valid from 2019-09-03
Received: 19 June 2018
Accepted: 21 August 2019
First Online: 3 September 2019
Ethics approval and consent to participate
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (Ethics and Investigation Committee of “La Raza” National Medical Center) and with the Helsinki Declaration of 1964, as revised in 2013. Written informed consent was obtained from all patients before their inclusion in the study.
: Not applicable.
: The authors Antonio Mata, Moises Martínez, Carla Arroyo, María de los Ángeles Berrospe, Alberto Chaparro, Itzel Cruz, Javier Cruz, Luis Uribe, Jesus Gaytán, Jerónimo Morales, declare that they have no competing interests.