1. Institute of Microbiology; Università Cattolica del Sacro Cuore - Fondazione Policlinico Gemelli; Rome Italy
2. Department of Biology; University of Rome “Tor Vergata”; Rome Italy
3. National Institute for Infectious Diseases; IRCCS “Lazzaro Spallanzani”; Rome Italy
4. Institute of Physics; Università Cattolica del Sacro Cuore - Fondazione Policlinico Gemelli; Rome Italy