1. Section of Occupational Health, Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore Maria Francesca Rossi, MD, is a medical doctor and PhD student, , Rome, Italy
2. Section of Hygiene, Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore Flavia Beccia, MD, is a medical doctor and PhD student, , Rome, Italy
3. UniCamillus Maria Rosaria Gualano, MD, is associate professor, , Rome, Italy
4. Department of Occupational Health, Università Cattolica del Sacro Cuore Umberto Moscato, MD, is head of department, , Rome, Italy