Laus, Fulvio
Fratini, Margherita
Paggi, Emanuele
Faillace, Vanessa
Spaterna, Andrea
Tesei, Beniamino
Fettucciari, Katia
Bassotti, Gabrio
Article History
Received: 12 October 2016
Accepted: 21 December 2016
First Online: 27 January 2017
Competing interests
: The authors declare no competing financial interests.