1. Department of Laboratory Medicine , University Hospital of Padova , Padova , Italy
2. Department of Medicine-DIMED , University of Padova , Padova , Italy
3. Epidemiological Department , Azienda Zero , Veneto Region , Padova , Italy
4. Department of Information Technology , Azienda Zero , Veneto Region , Padova , Italy
5. Section of Clinical Biochemistry , University of Verona , Verona , Italy
6. Department of Microbiology and Virology , University of Verona , Verona , Italy
7. Department of Diagnostics and Public Health , University of Verona , Verona , Italy
8. University of Padova, Azienda Zero , Veneto Region , Padova , Italy