1. Dr. L. Kriaučeliūnas Small Animal Clinic, Faculty of Veterinary, Veterinary Academy, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania
2. Faculty of Economics and Business, Kaunas University of Technology, 44029 Kaunas, Lithuania
3. Neurology and Neurosurgery Division, San Marco Veterinary Clinic, 35030 Veggiano, Italy
4. Animal Nutrition Department, Faculty of Veterinary, Veterinary Academy, Lithuanian University of Health Sciences, 47181 Kaunas, Lithuania