Lara-Romero, C
García-Fernández, A
Robledo-Arnuncio, J J
Roumet, M
Morente-López, J
López-Gil, A
Iriondo, J M
Article History
Received: 1 May 2015
Revised: 29 September 2015
Accepted: 13 October 2015
First Online: 25 November 2015
Competing interests
: The authors declare no conflict of interest.