Guzzardi, Giuseppe
Stanca, Carmelo
Cerini, Paolo
Del Sette, Bruno
Divenuto, Ignazio
Malatesta, Emanuele
Carriero, Alessandro
Stecco, Alessandro
Article History
Received: 13 October 2017
Accepted: 18 January 2018
First Online: 30 January 2018
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and 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.