1. Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, Italy
2. European Vaccine Initiative (EVI), UniversitätsKlinikum Heidelberg, Heidelberg, Germany
3. Department of System Medicine, University of Rome Tor Vergata, Rome, Italy
4. Department of Occupational Medicine, University of Chieti “G. D’Annunzio”, Chieti, Italy
5. Forensics Department, University of Rome Tor Vergata, Rome, Italy