1 National Institute for Infectious Diseases Lazzaro, Spallanzani Institute for Hospitalization and Care Scientific, Clinical, Division of Infectious Diseases, Italy. Electronic address: alessia.beccacece@inmi.it.
2 National Institute for Infectious Diseases, Lazzaro Spallanzani Institute for Hospitalization and Care Scientific, Clinical Department, Italy.
3 National Institute for Infectious Diseases, Lazzaro Spallanzani Institute for Hospitalization and Care Scientific, Clinical Department, Italy; INMI "L. Spallanzani", Clinical Department, Italy.