Ampuero, J
del Campo, J A
Rojas, L
García-Lozano, R J
Buti, M
Solá, R
Forns, X
Moreno-Otero, R
Andrade, R
Diago, M
Salmerón, J
Rodrigo, L
Pons, J A
Navarro, J M
Calleja, J L
García-Samaniego, J
García-Valdecasas, M
Rojas, Á
Millán, R
González-Escribano, M F
Romero-Gómez, M
Article History
Received: 26 January 2015
Revised: 20 February 2015
Accepted: 23 February 2015
First Online: 30 April 2015
Competing interests
: The authors declare no conflict of interest.