Filippetti, Alessio
Fiorentini, Vincenzo http://orcid.org/0000-0003-3794-8092
Ricci, Francesco
Delugas, Pietro http://orcid.org/0000-0003-0892-7655
Íñiguez, Jorge
Article History
Received: 11 September 2015
Accepted: 2 March 2016
First Online: 4 April 2016
Competing interests
: The authors declare no competing financial interests.