Greco, Federico
Mallio, Carlo Augusto
Article History
Received: 28 July 2020
Accepted: 15 November 2020
First Online: 5 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Institutional review board was not required because this is an observational retrospective study, and only existing information collected from human participants are used, and there are not any identifiers linking individual to the data. This article does not contain any studies with animals performed by any of the authors.
: The study was performed in accordance with the Declaration of Helsinki. The institutional ethical committee approved the study. All subjects enrolled provided a written informed consent to use their anonymized data for research purposes.