Guelfi, Gabriella
Cochetti, Giovanni
Stefanetti, Valentina
Zampini, Danilo
Diverio, Silvana
Boni, Andrea
Mearini, Ettore
Article History
Received: 10 November 2017
Accepted: 22 March 2018
First Online: 8 May 2018
Competing Interests
: The authors declare no competing interests.