Received: 11 August 2020
Accepted: 5 October 2020
First Online: 16 October 2020
Ethics approval and consent to participate
: On February 27, 2020, the Italian Presidency of the Council of Ministers authorized the collection and scientific dissemination of data related to COVID-19 by the Italian Institute of Health (ISS).
: Not applicable
: No financial relationships with any organization that might have an interest in the submitted work in the previous 3 years; no other relationships or activities that could appear to have influenced the submitted work.