Fuentes, Juan P.
Villafaina, Santos
Collado-Mateo, Daniel
de la Vega, Ricardo
Gusi, Narcis
Clemente-Suárez, Vicente Javier http://orcid.org/0000-0002-2397-2801
Article History
Received: 29 November 2017
Accepted: 2 January 2018
First Online: 19 January 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.