Zerbo, S.
Milone, L.
Scalici, E.
Procaccianti, S.
Nardello, R.
Ventura Spagnolo, E.
Piscionieri, D.
Argo, Antonina
Article History
Received: 20 June 2017
Accepted: 12 January 2018
First Online: 19 January 2018
Ethics approval and consent to participate
: All patients within protocol Daphne –Ve.R.So (and specific medical record approved by Hospital Commitment) gave consent. As this study involves only anonymous data of patients and is not experimental, the approval of the Ethics Committee is not required, ethics approval for this type of retrospective study is not required under Italian law.
: 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.