Del Papa, N
Onida, F
Zaccara, E
Saporiti, G
Maglione, W
Tagliaferri, E
Andracco, R
Vincenti, D
Montemurro, T
Mircoli, L
Vitali, C
Cortelezzi, A
Article History
Received: 31 January 2016
Revised: 28 June 2016
Accepted: 30 June 2016
First Online: 22 August 2016
Competing interests
: The authors declare no conflict of interest.