1 Pathology Unit, Department of epidemiology and Preclinical Research, National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy.
2 Infectious Disease-Hepatology Unit, POIT Department, National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy.
3 Department of Biology, University of Rome "Tor Vergata", Rome, Italy.
4 Laboratory of Electron Microscopy, Department of Epidemiology and Preclinical Research National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy.
5 Laboratory of Electron Microscopy, Department of Epidemiology and Preclinical Research National Institute for Infectious Diseases Lazzaro Spallanzani-IRCCS, Rome, Italy. [email protected].