Raffaelli, Marco
De Crea, Carmela
Sessa, Luca
Fadda, Guido
Lombardi, Celestino Pio
Bellantone, Rocco
Article History
Received: 14 March 2018
Accepted: 15 April 2018
First Online: 16 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments.
: Informed consent was obtained from all individual participants included in the study.