1. Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “Togo Rosati”, 06126 Perugia, Italy
2. Department of Chemistry, University “La Sapienza”, 00185 Rome, Italy
3. Department of Physics, University of Florence and I.N.F.N., Sesto Fiorentino, 50019 Florence, Italy
4. Department of Chemistry, Biology and Biotechnology, University of Perugia, 06123 Perugia, Italy
5. Department of Food Safety, Nutrition and Veterinary Public Health, Istituto Superiore di Sanità (ISS), 00161 Rome, Italy
6. DIT, Italian Workers’ Compensation Authority (INAIL), 00143 Rome, Italy