Laricchiuta, Daniela
Saba, Luana
De Bartolo, Paola
Caioli, Silvia
Zona, Cristina
Petrosini, Laura
Article History
Received: 14 August 2015
Accepted: 19 January 2016
First Online: 15 February 2016
Competing interests
: The authors declare no competing financial interests.