Martínez-Mármol, Ramón
Styrczewska, Katarzyna
Pérez-Verdaguer, Mireia
Vallejo-Gracia, Albert
Comes, Núria
Sorkin, Alexander
Felipe, Antonio
Article History
Received: 12 July 2016
Accepted: 9 January 2017
First Online: 10 February 2017
Competing interests
: The authors declare no competing financial interests.