1 Division of Infectious Diseases I, Fondazione IRCCS Policlinico San Matteo.
2 Molecular Virology Unit, Microbiology and Virology.
3 Molecular Virology Unit, Microbiology and Virology; Department of Clinical, Surgical, Diagnostic, and Paediatric Sciences, University of Pavia.
4 Division of Infectious Diseases I, Fondazione IRCCS Policlinico San Matteo; Department of Clinical, Surgical, Diagnostic, and Paediatric Sciences, University of Pavia.
5 Division of Infectious Diseases II and Immunology, Fondazione IRCCS Policlinico San Matteo; Department of Internal Medicine and Therapeutics, University of Pavia, Pavia, Italy.