1. School of Veterinary Medicine, Kitasato University
2. College of Bioresource Sciences, Nihon University
3. Joint Faculty of Veterinary Medicine, Kagoshima University
4. Department of Veterinary Sciences, Faculty of Agriculture, University of Miyazaki
5. Faculty of Agriculture, Iwate University
6. Faculty of Veterinary Medicine, Okayama University of Science
7. Department of Parasitology, National Institute of Infectious Diseases
8. Division of Biomedical Food Research, National Institute of Health Sciences
9. Department of Veterinary Science, National Institute of Infectious Diseases