Barbáchano, A
Fernández-Barral, A
Pereira, F
Segura, M F
Ordóñez-Morán, P
Carrillo-de Santa Pau, E
González-Sancho, J M
Hanniford, D
Martínez, N
Costales-Carrera, A
Real, F X
Pálmer, H G
Rojas, J M
Hernando, E
Muñoz, A
Article History
Received: 4 February 2015
Revised: 2 August 2015
Accepted: 28 August 2015
First Online: 12 October 2015
Competing interests
: The authors declare no conflict of interest.