Valent, Francesca http://orcid.org/0000-0002-4071-0897
Di Chiara, Antonio
Article History
Received: 8 May 2020
Accepted: 17 November 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: The authors report no conflict of interest.
: All procedures contributing to this work comply with the ethical standards of the relevant national and institutional committees on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008. Since this analysis was based on anonymous administrative data with no possibility to identify subjects, Ethical Committee approval was not required in Italy.
: Since the data were completely anonymous, informed consent was nor applicable.