1. Department of Small Animals and Equidae Clinic; Faculty of Veterinary Medicine; Diagnostic Imaging Section; University of Liege; Boulevard de Colonster, 20 B41 Liege 4000 Belgium
2. Department of Small Animals and Equidae Clinic, Anesthesia Section, Faculty of Veterinary Medicine; University of Liège; Liège Belgium
3. Department of Morphology and Pathology, Anatomy Section,- Faculty of Veterinary Medicine; University of Liège; Boulevard de Colonster, 20, B43 Liege 4000 Belgium