Fabbri, Elena
Pericoli, Roberta
Filippini, Beatrice
Gasperini, Pietro
Stella, Marcello
Vergine, Gianluca
Article History
Received: 6 July 2018
Revised: 27 November 2018
Accepted: 29 November 2018
First Online: 21 January 2019
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest regarding the publication of this paper.