Russo, Vincenzo
Rago, Anna
Papa, Andrea Antonio http://orcid.org/0000-0002-5654-4686
Arena, Giulia
Politano, Luisa
Nigro, Gerardo
Article History
Received: 29 October 2017
Accepted: 6 February 2018
First Online: 27 February 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were carried out in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.