Losa, M.
Allora, A.
Panni, P.
Righi, C.
Mortini, P.
Article History
Received: 16 October 2018
Accepted: 8 January 2019
First Online: 11 January 2019
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.
: For this type of study formal consent is not required.