Pujadas, G.
Cervantes, S.
Tutusaus, A.
Ejarque, M.
Sanchez, L.
GarcĂa, A.
Esteban, Y.
Fargas, L.
Alsina, B.
Hartmann, C.
Gomis, R.
Gasa, R.
Article History
Received: 22 September 2015
Accepted: 9 December 2015
First Online: 14 January 2016
Competing interests
: The authors declare no competing financial interests.