Lecis, Roberta
Secci, Fabio
Antuofermo, Elisabetta
Nuvoli, Sara
Scagliarini, Alessandra
Pittau, Marco
Alberti, Alberto
Article History
Received: 18 October 2016
Accepted: 22 December 2016
First Online: 4 January 2017
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
Free to read: This content has been made available to all.