1. Department of Veterinary Pathology, Tottori University, Minami, Koyama-cho, Tottori, Japan
2. The United Graduate School of Veterinary Science, Yamaguchi University, Yamaguchi, Japan
3. Faculty of Veterinary Medicine, Menoufiya University, Sadat City, Egypt
4. Department of Veterinary Public Health, Tottori University, Minami, Koyama-cho, Tottori, Japan