1. Laboratory of Clinical Diagnosis and Clinical Pathology, School of Veterinary Medicine, Aristotle University of Thessaloniki, Stavrou Voutyra Street 11, Thessaloniki 546 27, Greece
2. Clinic of Surgery, School of Veterinary Medicine, Aristotle University of Thessaloniki, Stavrou Voutyra Street 11, Thessaloniki 546 27, Greece
3. Laboratory of Radiology, School of Veterinary Medicine, Aristotle University of Thessaloniki, Stavrou Voutyra Street 11, Thessaloniki 546 27, Greece