Funding for this research was provided by:
Medical School Universidad Anahuac Mayab (N/A)
Text and Data Mining valid from 2019-10-29
Received: 8 April 2019
Accepted: 22 September 2019
First Online: 29 October 2019
Ethics approval and consent to participate
: The Research Ethics Committee of the School of Medicine at University Anahuac Mayab (MED/066/17) granted ethical approval. All research participants have signed the informed consent prior to taking part in any research activities.
: Not applicable.
: The authors declare that they have no competing interests.