Valent, Francesca http://orcid.org/0000-0002-4071-0897
Devigili, Grazia
Rinaldo, Sara
Del Zotto, Stefania
Tullio, Annarita
Eleopra, Roberto
Article History
Received: 4 December 2017
Accepted: 1 February 2018
First Online: 9 February 2018
Compliance with ethical standards
: This article does not contain any studies with human or animal subjects performed by any of the authors.
: Since this analysis was based on anonymous administrative data, patients’ informed consent and Ethical Committee approval were not required in Italy.
: The authors declare that they have no conflict of interest.