1. Section of Hygiene, Woman and Child Health and Public Health Fondazione Policlinico Universitario A. Gemelli, IRCCS Rome Italy
2. Section of Hygiene, Department of Life Sciences and Public Health Università Cattolica del Sacro Cuore Rome Italy
3. Department of Biomedicine and Prevention University of Tor Vergata Rome Italy
4. Saint Camillus International University of Health Sciences Rome Italy