Corazzari, M
Rapino, F
Ciccosanti, F
Giglio, P
Antonioli, M
Conti, B
Fimia, G M
Lovat, P E
Piacentini, M
Article History
Received: 18 March 2014
Revised: 29 September 2014
Accepted: 30 September 2014
First Online: 7 November 2014
Competing interests
: The authors declare no conflict of interest.