Tozzoli, R.
D’Aurizio, F.
Metus, P.
Steffan, A.
Mazzon, C.
Bagnasco, M.
Article History
Received: 31 August 2017
Accepted: 3 January 2018
First Online: 16 January 2018
Compliance with ethical standards
:
: All authors (RT, FD, PM, AS, CM and MB) claim to have no conflicts of interest.
: All procedures performed in the study was in accordance 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.