Cortazar, Nerea http://orcid.org/0000-0002-9286-6818
Calvete, Esther
Funding for this research was provided by:
Ministerio de EconomÃa y Competitividad (Ref. PSI2015-68426-R)
Eusko Jaurlaritza (Ref. IT982-16 and Ref. PI_2016_1_0023)
Article History
First Online: 7 May 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The procedures of this study have been approved by the institutional research committee of the University of Deusto and have been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments.
: Informed consent was obtained from all individual participants included in the study and their parents/guardians.