1. Industrial Hygiene and Toxicology Laboratory, University Hospital Careggi, Florence, Italy
2. Section of Pathology and Histopathology and Molecular Diagnostics, Department of Health Sciences, University of Florence, University Hospital Careggi, Florence, Italy
3. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy
4. Department of Drug Sciences, University of Pavia, Pavia, Italy