Varela, Carmen http://orcid.org/0000-0002-3009-0348
Andrés, Ana http://orcid.org/0000-0002-6488-1658
Saldaña, Carmina http://orcid.org/0000-0002-9602-7317
Funding for this research was provided by:
Secretaría de Estado de Investigación, Desarrollo e Innovación (PSI2013-45292-R)
Article History
Received: 12 March 2019
Accepted: 24 July 2019
First Online: 2 August 2019
Compliance with ethical standard
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study.