1. Veterinary Medical Center, College of Life, Environmental and Advanced Sciences Osaka Prefecture University Osaka Japan
2. Laboratory of Veterinary Surgery, Graduate School of Life and Environmental Sciences Osaka Prefecture University Osaka Japan
3. Kitasuma Animal Hospital Kobe Hyogo Japan
4. Laboratory of Veterinary Radiology, Graduate School of Life and Environmental Sciences Osaka Prefecture University Osaka Japan
5. Laboratory of Veterinary Pathology, Graduate School of Life and Environmental Sciences Osaka Prefecture University Osaka Japan