Petralia, Maria Cristina
Perciavalle, Valentina
Basile, Maria Sofia
Alagona, Giovanna
Monaca, Aldo
Buscemi, Andrea
Coco, Marinella http://orcid.org/0000-0002-1797-2717
Article History
Received: 21 October 2017
Accepted: 17 January 2018
First Online: 12 February 2018
Compliance with ethical standards
:
: Authors state that they have not received funding for this study.
: The authors declared no conflict of interests.
: All procedures performed in studies involving human participants were in accordance with ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.