Funding for this research was provided by:
Consejo Nacional de Ciencia y Tecnología (1676)
Received: 10 February 2021
Accepted: 1 August 2021
First Online: 28 August 2021
: The study was conducted according to the guidelines of the Declaration of Helsinki and approved by the Research Ethics Committee of El Colegio de la Frontera Sur (CEI-O-076/16). Informed consent was obtained from all subjects involved in the study.
: Not applicable.
: The authors declare that they have no competing interests.