Malandrino, P.
Tumino, D.
Russo, M.
Marescalco, S.
Fulco, R. A.
Frasca, F.
Article History
Received: 3 February 2019
Accepted: 27 March 2019
First Online: 8 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was carried out in accordance with the recommendations for retrospective studies of the Institutional Review Board.
: Written informed consent was obtained from all individual participants.