1. Laboratory of Veterinary Pathology; Department of Veterinary Medicine, Gifu University; Gifu Japan
2. Department of Veterinary Pathology; Faculty of Veterinary Medicine; Kafr El-Sheikh Egypt
3. Laboratory of Clinical Oncology, Department of Veterinary Medicine; Gifu University; Gifu Japan
4. Comparative Cancer Center, Faculty of Applied Biological Sciences; Gifu University; Gifu Japan