López-Guerra, M
Xargay-Torrent, S
Rosich, L
Montraveta, A
Roldán, J
Matas-Céspedes, A
Villamor, N
Aymerich, M
López-Otín, C
Pérez-Galán, P
Roué, G
Campo, E
Colomer, D
Article History
Received: 20 November 2013
Revised: 10 April 2014
Accepted: 14 April 2014
First Online: 30 April 2014
Competing interests
: The authors declare no conflict of interest.