Moro, Álvaro
Ruiz-Narezo, Marta
Fonseca, Janire
Article History
Received: 23 February 2022
Accepted: 12 October 2022
First Online: 27 October 2022
Declarations
:
: In the case of this research, before completing the questionnaires, free and informed consent was obtained from the participants (or from their parents or legal guardians in the case of children under 16 years of age) as well as from the participating schools. This is an observational study so no ethical approval is required.
: Not applicable.
: The authors declare that they have no competing interests.