Garcia-Vielma, C.
Cortés-Gutiérrez, E. I.
Garcia Salas, Juan Antonio
Dávila-Rodriguez, M. I.
Article History
Received: 25 July 2018
Revised: 2 September 2018
Accepted: 18 March 2020
First Online: 7 April 2020
COMPLIANCE WITH ETHICAL STANDARDS
: <i>Conflict of interest</i>. The authors declare that they have no conflict of interest.
: <i>Statement of compliance with standards of research involving humans as subjects</i>. The study was approved by the local Centro de Investigatión Biomédica del Noreste (CIBIN), IMSS Ethics Committee. All procedures performed in studies involving human participants were in accordance with the ethical standards of the University of British Columbia and with the 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all individual participants included in the study.