Received: 10 March 2020
Accepted: 10 May 2020
First Online: 19 May 2020
Ethics approval and consent to participate
: The study was conducted in accordance with the 1975 declaration of Helsinki. The investigations were conducted through the retrospective review of the medical records, the protocol was notified to the Catania1 Ethics Committee of the Catania Polyclinic. Furthermore, the consent of the study participants was deemed unnecessary as the study only concerned the retrospective review of the medical records.
: Not applicable.
: The authors declare that they have no competing interests.