Collado, Sergio
Oulego, Paula
Suárez-Iglesias, Octavio
Díaz, Mario http://orcid.org/0000-0001-6218-1140
Article History
Received: 12 December 2017
Revised: 7 February 2018
Accepted: 8 February 2018
First Online: 3 March 2018
Compliance with ethical standards
:
: This article does not contain any studies with human participants or animals performed by any of the authors.
: The authors declare that they have no conflict of interest.