1. Department of Veterinary Medicine and Animal Productions, University of Napoli Federico II, 80138 Napoli, Italy
2. Local Health Authority, ASL Foggia, 71122 Foggia, Italy
3. Sbarro Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
4. Department of Medical Biotechnology, University of Siena, 53100 Siena, Italy