Zorrilla-Revilla, Guillermo http://orcid.org/0000-0003-0162-1848
Rodríguez, Jesús http://orcid.org/0000-0002-2834-0694
Mateos, Ana http://orcid.org/0000-0002-0676-9836
Funding for this research was provided by:
Consejería de Educación, Junta de Castilla y León (EDU/602/2016)
Article History
Accepted: 23 July 2021
First Online: 27 September 2021
Declarations
:
: This experimental study has been approved by the Hospital Universitario de Burgos Ethical Committee (Burgos, Spain) (Ref. CEIC 1586<b>),</b> and complies with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Written informed consent was obtained from all legal guardians and parents.
: Additional informed consent for publication and photographs was obtained from parents and/or legal guardians of all participants in the trials.
: The authors declare that they have no conflict of interest.