Grasso, Marica http://orcid.org/0000-0002-9218-1122
Pacella, Giulia
Sangiuliano, Nicola
De Palma, Maurizio
Puzziello, Alessandro
Article History
Received: 26 October 2018
Accepted: 2 January 2019
First Online: 18 January 2019
Compliance with ethical standards
:
: Authors disclose no conflicts of interest.
: As observational study no ethical approval was requested by our institution.
: As observational study, this article does not contain any studies with human or animal subjects performed by the any of the authors.
: Informed consent has been signed by all the participants.