Drago, Lorenzo
Toscano, Marco
De Grandi, Roberta
Grossi, Enzo
Padovani, Ezio M
Peroni, Diego G
Article History
Received: 24 May 2016
Revised: 24 October 2016
Accepted: 2 November 2016
First Online: 16 December 2016
Competing interests
: The authors declare no conflict of interest.