Escribano, Nora http://orcid.org/0000-0002-7863-4463
Galicia, David
AriƱo, Arturo H.
Escala, Carmen
Article History
Received: 3 May 2016
Accepted: 15 August 2016
First Online: 27 September 2016
Competing interests
: The authors declare no competing financial interests.