Puig, N
Conde, I
Jiménez, C
Sarasquete, M E
Balanzategui, A
Alcoceba, M
Quintero, J
Chillón, M C
Sebastián, E
Corral, R
Marín, L
Gutiérrez, N C
Mateos, M-V
González-Díaz, M
San-Miguel, J F
García-Sanz, R
Article History
First Online: 8 January 2015
Competing interests
: The authors declare no conflict of interest.