1 Regional AIDS Reference Centre, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy. Electronic address: valentina.mazzotta@inmi.it.
2 Laboratory of Virology and Laboratories of Biosecurity, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
3 Laboratory of Cellular Immunology and Pharmacology, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
4 Department of Epidemiology, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
5 Regional AIDS Reference Centre, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
6 Laboratory of Cellular Immunology and Pharmacology, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
7 Unit of Health Promotion and Prevention, Directorate of Health and Integration, Lazio Region, Rome, Italy.
8 Scientific Direction, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
9 Laboratory of Virology and Laboratories of Biosecurity, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.
10 Regional AIDS Reference Centre, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy; Health Direction, National Institute for Infectious Diseases, Lazzaro Spallanzani - IRCCS, Rome, Italy.