1. Department of Public Health and Infectious Diseases, Sapienza University, Rome
2. Department of Environmental and Public Health, University of Padua, Padua
3. Chair of Hygiene, University of Salerno, Fisciano
4. Department of Public Health, University of Florence, Florence
5. Department of Pathology and Experimental and Clinical Medicine, University of Udine, Udine
6. Department of Experimental and Applied Medicine, Epidemiology and Public Health, University of Brescia, Brescia
7. Department of Health Promotion Science G D'Alessandro, University of Palermo, Palermo
8. Department of Experimental and Applied Medicine, University of Ferrara, Ferrara
9. Department of Hygiene, University of Pavia, Pavia
10. Institute of Forensic Medicine, University of Insubria, Varese
11. Department of Public Health and Microbiology, Turin
12. Eleonora Lorillard Spencer-Cenci Foundation, Rome, Italy