Galassi, Giuliana
Testa, Francesca
Bianchi, Francesca
Cappelli, Gianni
Chiari, Annalisa
Article History
Received: 28 March 2017
Accepted: 16 June 2017
First Online: 20 June 2017
Compliance with ethical standards
:
: The authors have declared that no conflict of interest exists.
: This article does not contain any studies with human participants performed by any of the authors.
: No identifying information about individuals is included in the paper.