Senín-Calderón, Cristina http://orcid.org/0000-0002-7604-8487
Santos-Morocho, José L.
Rodríguez-Testal, Juan F. http://orcid.org/0000-0002-7346-5656
Funding for this research was provided by:
Ministry of Economy and Competitiveness (PSI2015-68659-P)
Article History
Received: 20 August 2018
Accepted: 30 January 2019
First Online: 7 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The Andalusia (Spain) Bioethics Committee approved the study. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: An information sheet with the objectives of the study and an informed consent form were provided for parents or guardians to give their authorization for their children to participate in the study.