Scarpina, Federica
Migliorati, Daniele
Marzullo, Paolo
Mauro, Alessandro
Scacchi, Massimo
Costantini, Marcello
Article History
Received: 27 January 2016
Accepted: 3 June 2016
First Online: 21 June 2016
Competing interests
: The authors declare no competing financial interests.