Viglino, Giusto
Neri, Loris
Barbieri, Sara
Tortone, Catia
Article History
Received: 20 June 2019
Accepted: 6 September 2019
First Online: 16 September 2019
Compliance with ethical standards
:
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: This is a retrospective study—for this type of study formal consent is not required but in any case informed consent to procedures described was obtained from all patients. The study was approved by the Inter Hospital Ethics Committee.