Martín-Sierra, Carmen
Gallego-Martinez, Alvaro
Requena, Teresa http://orcid.org/0000-0001-8355-6028
Frejo, Lidia
Batuecas-Caletrío, Angel
Lopez-Escamez, Jose A http://orcid.org/0000-0002-8583-1430
Article History
Received: 10 March 2016
Revised: 8 October 2016
Accepted: 13 October 2016
First Online: 23 November 2016
Competing interests
: The authors declare no conflict of interest.