Guaraldo, Michela
Santambrogio, Paolo
Rovelli, Elisabetta
Di Savino, Augusta
Saglio, Giuseppe
Cittaro, Davide
Roetto, Antonella
Levi, Sonia
Article History
Received: 15 February 2016
Accepted: 2 August 2016
First Online: 14 September 2016
Competing interests
: The authors declare no competing financial interests.