1. Department of Veterinary Medicine and Animal Productions, University of Naples “Federico II”, 80137 Naples, Italy
2. University of Naples “Federico II”, Department of Veterinary Medicine and Animal Productions, Naples, Italy
3. Marine Biotechnology Department, Stazione Zoologica Anton Dohrn, CAP80121 (NA) Villa Comunale, Italy
4. Institute of Sciences of Food Production (ISPA), National Research Council (CNR), Via Amendola, 70126 Bari, Italy
5. Department of Veterinary Sciences, University of Torino, Largo Braccini n. 2, 10095 Grugliasco, Turin, Italy