Received: 12 March 2020
Accepted: 25 May 2020
First Online: 15 June 2020
Ethics approval and consent to participate
: With resolution of the General Manager n. 0252 of 03.10.2017 was issued the authorization to start the study, pursuant to art. 7 of the L.R. n. 9/2017. In the session of 13.09.2017, the Provincial Ethics Committee issued its favorable opinion, as per note n. 89486 of 26.09.2017.
: Not applicable.
: The authors have no conflict of interest to declare.