Cocchi, Luca http://orcid.org/0000-0001-7835-1116
Passaro, Salvatore http://orcid.org/0000-0002-3045-9002
Tontini, Fabio Caratori http://orcid.org/0000-0002-2000-416X
Ventura, Guido http://orcid.org/0000-0001-9388-9985
Article History
Received: 28 April 2017
Accepted: 4 October 2017
First Online: 13 November 2017
Competing interests
: The authors declare no competing financial interests.