1. 1 University of Teramo , Department of Veterinary Medicine , Località Piano d’Accio - Teramo , Italy
2. 2 University of Pisa , Department of Veterinary Sciences , Pisa , Italy
3. 3 Neurovet - Veterinary Specialist Referral , Legnano - Milano , Italy
4. 4 Pet Care Veterinary Clinic , Bologna , Italy