1. Infectious and Tropical Diseases Unit, Padua University Hospital , Padua , Italy
2. Laboratory and Clinical Pharmacology and Pharmacogenetics, Department of Medical Sciences, University of Turin , Turin , Italy
3. Radiodiagnostic Unit, University Hospital of Padua , Padua , Italy
4. Department of Molecular Medicine, Padua University Hospital , 35128 Padua , Italy
5. Translational Virology, Department of Medical Microbiology, University Medical Center Utrecht , Utrecht , The Netherlands