Uggeri, Fabio http://orcid.org/0000-0002-2209-3602
Nespoli, Luca
Sandini, Marta
Andreano, Anita
Degrate, Luca
Romano, Fabrizio
Antolini, Laura
Gianotti, Luca
Article History
Received: 3 December 2018
Accepted: 27 July 2019
First Online: 2 August 2019
Compliance with ethical standards
:
: All authors declare no conflict of interest.
: The study protocol followed the ethical guidelines of the 1975 Declaration of Helsinky (as revised in Brazil 2013). The local Ethical Committee review of the protocol deemed that formal approval was not required owing to the retrospective, observational and anonymous nature of the study.
: Under the italian law, anonymous and retrospective studies do not require formal approval by ethics committee and they do not require a patient's informed consent.