Leggio, Massimo
Lombardi, Mario
Caldarone, Elisa
Severi, Paolo
D'Emidio, Stefania
Armeni, Massimo
Bravi, Veronica
Bendini, Maria Grazia
Mazza, Andrea
Article History
Received: 2 March 2017
Revised: 7 April 2017
Accepted: 14 April 2017
First Online: 5 October 2017
Competing interests
: The authors declare no conflict of interest.
Free to read: This content has been made available to all.