1. Infectious Diseases Unit, DIBIC Luigi Sacco, University of Milan, Milan, Italy;
2. ITB‐CNR, Segrate, MI, Italy;
3. Infectious Diseases Unit, Policlinico San Matteo Foundation, IRCCS, Pavia, Italy;
4. Infectious Diseases Unit, University of Bari, Bari, Italy;
5. Infectious Diseases Unit, ASST Valle Olona, Ospedale di Circolo, Busto Arsizio, VA, Italy;
6. Infectious Diseases Unit, University of Turin, Turin, Italy;
7. First Infectious Diseases Unit, ASST Fatebenefratelli‐Sacco, Milan, Italy