Collivignarelli, M. C. http://orcid.org/0000-0002-0497-9354
Bertanza, G. http://orcid.org/0000-0002-1377-9741
AbbĂ , A. http://orcid.org/0000-0002-2965-023X
Damiani, S. http://orcid.org/0000-0002-9557-3527
Article History
Received: 7 March 2018
Revised: 20 September 2018
Accepted: 24 September 2018
First Online: 29 September 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.