Cellina, Michaela http://orcid.org/0000-0002-7401-1971
Panzeri, Marta
Floridi, Chiara
Martinenghi, Carlo Maria Andrea
Clesceri, Giulio
Oliva, Giancarlo
Article History
Received: 18 January 2018
Accepted: 1 March 2018
First Online: 7 March 2018
Compliance with ethical standards
:
: 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/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Institutional review board approval was granted for this retrospective study with a waiver of the requirement to obtain written informed consent from each patient.