IbaƱez, Irantzu
Otero, Montserrat
Gil, Susana M
Article History
Received: 10 February 2018
Accepted: 25 May 2018
First Online: 7 June 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study complies with the ethical standards of the Ethics Committee of the University of the Basque Country on Research on Human subjects and performed according to the ethical standards of the 1964 Helsinki Declaration.
: Informed consent was obtained from all individual participants included in the study.