Ortega-Álvaro, Antonio
Navarrete, Francisco
Aracil-Fernández, Auxiliadora
Navarro, Daniela
Berbel, Pere
Manzanares, Jorge
Article History
Received: 9 December 2014
Revised: 21 March 2015
Accepted: 15 April 2015
First Online: 21 April 2015
Competing interests
: The authors declare no conflict of interest.