Vargas, Claudia
Burgos, Felip
Cano, Isaac
Blanco, Isabel
Caminal, Pere
Escarrabill, Joan
Gallego, Carles
Llauger, Ma Antonia
Miralles, Felip
Solans, Oscar
VallverdĂș, Montserrat
Velickovski, Filip
Roca, Josep
Article History
Received: 11 November 2015
Revised: 29 March 2016
Accepted: 5 April 2016
First Online: 2 June 2016
Competing interests
: The authors declare no conflict of interest.