1 Luigi Sacco Department of Biomedical and Clinical Sciences, University of Milan, Italy; Department of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy. Electronic address: spinello.antinori@unimi.it.
2 Intensive Care Unit, ASST Fatebenefratelli Sacco, Milan, Italy.
3 Department of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy.
4 Luigi Sacco Department of Biomedical and Clinical Sciences, University of Milan, Italy; Department of Infectious Diseases, ASST Fatebenefratelli Sacco, Milan, Italy.
5 Pathology Unit, ASST Fatebenefratelli Sacco, Milan, Italy.
6 Luigi Sacco Department of Biomedical and Clinical Sciences, University of Milan, Italy; Pathology Unit, ASST Fatebenefratelli Sacco, Milan, Italy.