[1] Univ Catania, Environm & Food Hyg Lab LIAA, Dept Med & Surg Sci & Adv Technol GF Ingrassia, I-95123 Catania, Italy
[2] Dept Med & Surg Sci & Adv Technol GF Ingrassia, Gen Surg, I-95123 Catania, Italy
[3] Dept Med & Surg Sci & Adv Technol CF Ingrassia, Sect Anat Pathol, I-95123 Catania, Italy