Cafagna, Gianluca http://orcid.org/0000-0003-0055-7848
Seghieri, Chiara
Vainieri, Milena
Nuti, Sabina
Article History
Received: 14 March 2018
Accepted: 21 October 2018
First Online: 20 November 2018
Ethics approval and consent to participate
: The Regional Health Information System Office assigned each patient with a unique identifier, which does not disclose the patient’s identity. The study was performed in full compliance with Italian laws and approval by an Ethics Committee was unnecessary.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.