Schiavina, R
Borghesi, M
Brunocilla, E
Romagnoli, D
Diazzi, D
Giunchi, F
Vagnoni, V
Pultrone, C V
Dababneh, H
Porreca, A
Fiorentino, M
Martorana, G
Article History
Received: 6 January 2015
Revised: 15 March 2015
Accepted: 12 April 2015
First Online: 9 June 2015
Competing interests
: The authors declare no conflict of interest.