Sánchez, Rosa
Martínez, Javier
Castro, Ana
Pedrosa, María
Quirce, Santiago
Rodríguez-Pérez, Rosa
Gasset, María
Article History
Received: 29 June 2016
Accepted: 15 August 2016
First Online: 6 September 2016
Competing interests
: The authors declare no competing financial interests.