Leoncini, Giuseppe
Villanacci, Vincenzo
Marin, Maria Grazia
Crisafulli, Valentina
Cadei, Moris
Antonelli, Elisabetta
Leoci, Claudio
Bassotti, Gabrio
Article History
Received: 5 September 2018
Accepted: 21 November 2018
First Online: 10 December 2018
Compliance with ethical standards
:
: Authors declares that they have no conflicts of interest.
: Since this was a retrospective study, no patient identification was needed, clinical and pathologic data were completely anonymized and no study-driven clinical intervention was performed. Therefore, our Institutional Review Board waived formal review and approval, deeming the study to be an extension of the existing procedures.
: For this type of study, formal consent is not required.