1. Department of Veterinary Medicine and Animal Productions, University of Naples “Federico II”; Via Delpino no. 1; 80137; Naples; Italy
2. Sbarro Institute for Cancer Research and Molecular Medicine; Center of Biotechnology, College of Science and Technology, Temple University; BioLife Science Bldg. Suite 333, 1900N, 12th Street; Philadelphia; Pennsylvania; 19122A
3. Department of Medicine; Surgery and Neuroscience; University of Siena; Viale Bracci 16; 53100; Siena; Italy