Sguinzi, Raffaella
Ferla, Fabio
De Carlis, Riccardo
Andorno, Enzo
Aseni, Paolo
De Carlis, Luciano
Article History
Received: 11 December 2016
Accepted: 20 January 2018
First Online: 27 January 2018
<!--Emphasis Type='Bold' removed-->Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were 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.