Martinez-Mendez, Daniel
Lizaur-Utrilla, Alejandro http://orcid.org/0000-0003-4798-2702
de Juan-Herrero, Joaquin
Funding for this research was provided by:
no funding
Article History
Received: 6 June 2017
Accepted: 13 March 2018
First Online: 7 April 2018
Compliance with ethical standards
:
: 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.