1. Department of Surgery, Faculty of Veterinary Science, School of Health Sciences, University of Thessaly, GR-43100 Karditsa, Greece.
2. Alphavet, Veterinary Diagnostic Imaging Center, GR-14564 Athens, Greece.
3. Laboratory of Pathology, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, GR-54627 Thessaloniki, Greece.