Pérez-González, Luis Antonio http://orcid.org/0000-0001-9907-5456
Martínez, Héctor
Funding for this research was provided by:
Universidad de Oviedo
Article History
Accepted: 4 February 2021
First Online: 17 November 2021
Declaration
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors. Informed consent was obtained from the parents of all participants included in the study.