1. Occupational Medicine Unit, Department of Public Health, Experimental and Forensic Sciences, University of Pavia, Italy
2. Occupational Medicine Unit, Istituti Clinici Scientifici Maugeri IRCCS, Institute of Pavia, Italy
3. Psychiatry Service, Istituti Clinici Scientifici Maugeri IRCCS, Institute of Pavia, Italy