Minelli, A
Magri, C
Barbon, A
Bonvicini, C
Segala, M
Congiu, C
Bignotti, S
Milanesi, E
Trabucchi, L
Cattane, N
Bortolomasi, M
Gennarelli, M
Article History
Received: 12 March 2015
Revised: 2 September 2015
Accepted: 6 September 2015
First Online: 1 December 2015
Competing interests
: The authors declare no conflict of interest.