Giuseppina La Rosa (Istituto Superiore di Sanità, Department of Environment and Health, Rome), Simonetta Della Libera (Istituto Superiore di Sanità, Department of Environment and Health, Rome), Marcello Iaconelli (Istituto Superiore di Sanità, Department of Environment and Health, Rome), Yolande Thérèse Rose Proroga (Istituto Zooprofilattico Sperimentale del Mezzogiorno, Department of Food Inspection, Portici (NA)), Dario De Medici (Istituto Superiore di Sanità, Department of Veterinary Public Health and Food Safety, Rome), Vito Martella (University of Bari “Aldo Moro”, Faculty of Veterinary Medicine, Valenzano (BA)), Elisabetta Suffredini (Istituto Superiore di Sanità, Department of Veterinary Public Health and Food Safety, Rome)