Zalfa, Cristina
Verpelli, Chiara
D'Avanzo, Francesca
Tomanin, Rosella
Vicidomini, Cinzia
Cajola, Laura
Manara, Renzo
Sala, Carlo
Scarpa, Maurizio
Vescovi, Angelo Luigi
De Filippis, Lidia
Article History
Received: 23 March 2016
Revised: 22 June 2016
Accepted: 4 July 2016
First Online: 11 August 2016
Competing interests
: The authors declare no conflict of interest.