1. Corporate Service of Penitentiary Medicine, Abruzzo Local Health Unit No.1, 67100 L’Aquila, Italy
2. Occupational Medicine Unit, University Hospital of Verona, 37134 Verona, Italy
3. Department of Prevention, Abruzzo Local Health Unit No.1, 67100 L’Aquila, Italy
4. Section of Occupational Medicine, Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
5. Department of Life, Health and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy