Funding for this research was provided by:
Eusko Jaurlaritza (BFI-2010-78)
Article History
Accepted: 6 February 2022
First Online: 15 March 2022
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted by the Ethics Committee of Universidad de Deusto (ETK-15/17-18).
: Written informed consent was obtained from the parents.