Giorda, Carlo Bruno http://orcid.org/0000-0002-4709-8696
Carnà, Paolo
Salomone, Mario
Picariello, Roberta
Costa, Giuseppe
Tartaglino, Barbara
Gnavi, Roberto
Article History
Received: 28 February 2018
Accepted: 5 April 2018
First Online: 20 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This is an observational study and data were collected retrospectively. The Local Health Authority of Piedmont region was responsible for collecting and processing these data. The study was commissioned by the Local Health Authority. No ethical approval was required according to Italian law 211/2003, which explains that no ethics committee permission is required for this kind of study.
: According to Italian privacy law, no patient’s or relative’s consent is required for large retrospective population-based studies and if data are published only in aggregated form.