Document is current

Article History

Received: 22 September 2020

Accepted: 16 February 2021

First Online: 1 March 2021

Declarations

:

: The protocol, questionnaires, and consent forms used were approved by the Bioethical Committee of Instituto Tecnológico de Sonora identifying the nature of the project and the subjects’ benefits and rights according to the Helsinki Declaration. The authors confirm that the manuscript has been read and approved by all authors. The authors declare that this manuscript has not been published and not under consideration for publication elsewhere.

: The participation of children in the study required the permission of their parents or guardians. These consent forms were signed by both the parents/guardians as well as the participants in the study. On the other hand, the authors have been personally and actively involved in substantive work leading to the manuscript and will hold themselves jointly and individually responsible for its content.

: Consent is not applicable for our study subjects. The information for each child was kept confidential, as was specified in the consent form. We only include averages of the results of the total population who participated in our study. All authors, however, consent to the publication of this research.

: The authors declare no competing interests.