1. COVID-19 Unit, Istituto Ospedaliero Poliambulanza, Brescia, Italy
2. COVID-19 Unit, Istituto Ospedaliero Poliambulanza, Brescia, Italy; Pulmonary and Allergic Respiratory Diseases Department, Poliambulanza Foundation Hospital, Brescia, Italy
3. Cardiovascular Department, Poliambulanza Foundation Hospital, Brescia, Italy
4. Allergy and Respiratory Diseases, IRCCS Policlinico San Martino – University of Genoa, Italy