Received: 6 November 2020
Accepted: 23 February 2021
First Online: 9 March 2021
: The study was approved by the Ethics Committee for Clinical Experimentation of Verona and Rovigo Provinces, Italy (protocol no. 63537 of December 28th, 2017). Patients signed an informed consent form upon enrollment.
: All authors declare that they have no conflict of interest.