Funding for this research was provided by:
“la Caixa” Foundation (RecerCaixa program, call 2013)
Secretaría de Estado de Investigación, Desarrollo e Innovación (EDU2013-40965-R)
Departament d'Universitats, Recerca i Societat de la Informació (2014 SGR 178)
Article History
First Online: 11 April 2019
Compliance with Ethical Standards
:
: The authors declare that they have no potential conflicts of interest. Regarding the human participants, the families of the students and students were properly informed before the application of the questionnaire about the research aims and procedures and families signed a document to ensure their informed consent.