1 Department of Pathology and Diagnostics, Section of Infectious Diseases, Azienda Ospedaliera Universitaria Integrata - Policlinico "G.B. Rossi", Verona, Italy. Electronic address: lorenzo.guglielmetti@gmail.com.
2 Department of Pathology and Diagnostics, Section of Infectious Diseases, Azienda Ospedaliera Universitaria Integrata - Policlinico "G.B. Rossi", Verona, Italy.
3 Department of Pathology and Diagnostics, Section of Infectious Diseases, Azienda Ospedaliera Universitaria Integrata - Policlinico "G.B. Rossi", Verona, Italy. Electronic address: michela.conti@univr.it.
4 Department of Pathology and Diagnostics, Section of Microbiology, Azienda Ospedaliera Universitaria Integrata - Policlinico "G.B. Rossi", Verona, Italy.