Received: 29 September 2020
Accepted: 26 June 2021
First Online: 5 July 2021
: The study has been approved by the Ethics Board of Fondazione IRCCS Ca′ Granda Ospedale Maggiore Policlinico, Milan, Italy (reference number 400_2017bis).All participants receive brief and comprehensible oral and written information, in accordance with the Helsinki Declaration. Before commencing screening and outcome assessment, all procedures are explained by the assessor and the informed consent form is reviewed and signed.
: Not applicable.
: All authors declare that they have no competing interest to declare.