Grazzi, Licia
Grignani, Eleonora
D’Amico, Domenico
Sansone, Emanuela
Raggi, Alberto
Article History
First Online: 27 August 2018
Compliance with Ethical Standards
: The protocol was approved by the Besta Institute Ethical Committee (protocol no. 379/2015).
: The authors declare that they have no conflict of interest.
: This article does not contain any studies with human or animal subjects performed by any of the authors.