1. Operative Unit of Occupational and Environmental Medicine, University Hospital of Pisa, Pisa, Italy
2. Department of Translational Research and of New Technologies in Medicine and Surgery, University of Pisa, Pisa, Italy
3. Department of Biology, University of Pisa, Pisa, Italy
4. Department of Pharmacy, University of Pisa, Pisa, Italy
5. Department of Medical Sciences, University of Trieste, Trieste, Italy