Martello, M
Remondini, D
Borsi, E
Santacroce, B
Procacci, M
Pezzi, A
Dico, F A
Martinelli, G
Zamagni, E
Tacchetti, P
Pantani, L
Testoni, N
Marzocchi, G
Rocchi, S
Zannetti, B A
Mancuso, K
Cavo, M
Terragna, C
Article History
Received: 3 December 2015
Revised: 2 March 2016
Accepted: 14 March 2016
First Online: 14 April 2016
Competing interests
: The authors declare no conflict of interest.