1. Department of Animal Medicine; Production and Health; Clinical Section; Radiology Unit; University of Padua; Viale dell'Università 16, Agripolis, 35020 Legnaro Padua Italy
2. Department of Pathology; Bacteriology and Avian Diseases; Faculty of Veterinary Medicine; Ghent University; Salisburylaan 133 B-9820 Merelbeke Belgium
3. Department of Veterinary Medical Imaging and Small Animal Orthopaedics