Sánchez-Molina, Joaquín http://orcid.org/0000-0002-9801-0981
Robles-Pérez, José J.
Clemente-Suárez, Vicente J. http://orcid.org/0000-0002-2397-2801
Article History
Received: 20 November 2017
Accepted: 20 February 2018
First Online: 2 March 2018
Compliance with ethical standards
:
: None.
: 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.