Received: 19 October 2020
Accepted: 10 February 2021
First Online: 19 February 2021
Ethics approval and consent to participate
: The study was approved by the local ethics committee (Comitato etico Indipendente di Area Vasta Emilia Centro), protocol number 339/2020, date of approval April 07th, 2020).
: Not applicable.
: The authors declare that they have no competing interests.