Vargas Romero, P
Cialfi, S
Palermo, R
De Blasio, C
Checquolo, S
Bellavia, D
Chiaretti, S
Foà, R
Amadori, A
Gulino, A
Zardo, G
Talora, C
Screpanti, I
Article History
First Online: 18 May 2015
Competing interests
: The authors declare no conflict of interest.