1 Laboratory of Virology, National Institute for Infectious Diseases 'Lazzaro Spallanzani' (IRCCS), Rome, Italy.
2 Clinical and Research Department, National Institute for Infectious Diseases 'Lazzaro Spallanzani' (IRCCS), Rome, Italy.
3 Laboratory of Virology, National Institute for Infectious Diseases 'Lazzaro Spallanzani' (IRCCS), Rome, Italy. Electronic address: [email protected].
4 Scientific Direction, National Institute for Infectious Diseases 'Lazzaro Spallanzani' (IRCCS), Rome, Italy.
5 General Direction, National Institute for Infectious Diseases 'Lazzaro Spallanzani' (IRCCS), Rome, Italy.