1. General and Pancreatic Surgery Department, Pancreas Institute, University and Hospital Trust of Verona, Verona, Italy.
2. Infectious Diseases Unit, Department of Diagnostic and Public Health, Department of Pathology and Diagnostic, University of Verona, Verona, Italy.
3. Department of Diagnostic and Public Health, Microbiology Division, Department of Pathology and Diagnostic, University of Verona, Verona, Italy.
4. Microbiology and Virology Operating Unit, Department of Pathology and Diagnostic, University of Verona, Verona, Italy.