Escribano-Álvarez, Pablo https://orcid.org/0000-0002-6095-5816
López-González, Pablo J. https://orcid.org/0000-0002-7348-6270
Article History
Received: 13 March 2017
Accepted: 27 April 2018
First Online: 30 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All authors agree that there are no ethical questions concerning the present research.