1. Department of Biology and Biotechnology, and Paediatric Sciences, University of Pavia, Pavia, Italy.
2. Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
3. Specialization School of Microbiology and Virology, Microbiology and Virology Department, University of Pavia, Pavia, Italy.
4. Division of Infectious Diseases I, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
5. Molecular Virology Unit, Microbiology and Virology Department, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
6. Department of Clinical, Surgical, Diagnostic, and Paediatric Sciences, University of Pavia, Pavia, Italy.