Paré-Brunet, L
Sebio, A
Salazar, J
Berenguer-Llergo, A
Río, E
Barnadas, A
Baiget, M
Páez, D
Article History
Received: 17 July 2014
Revised: 12 November 2014
Accepted: 2 December 2014
First Online: 24 February 2015
Competing interests
: The authors declare no conflict of interest.