Nappi, Ciro http://orcid.org/0000-0002-1277-2572
Camerlingo, Carlo
Enrico, Emanuele http://orcid.org/0000-0002-2125-5200
Bellingeri, Emilio
Braccini, Valeria
Ferdeghini, Carlo
Sarnelli, Ettore
Article History
Received: 3 October 2016
Accepted: 16 May 2017
First Online: 23 June 2017
Competing Interests
: The authors declare that they have no competing interests.