Pascual, Marta
Palero, Ferran
García-Merchán, Víctor Hugo
Macpherson, Enrique
Robainas-Barcia, Aymée
Mestres, Francesc
Roda, Tania
Abelló, Pere
Article History
Received: 18 April 2016
Accepted: 23 June 2016
First Online: 19 July 2016
Competing interests
: The authors declare no competing financial interests.