1. Department of Pathology & Applied Neurobiology; Graduate School of Medical Science; Kyoto Prefectural University of Medicine; Kyoto Japan
2. Department of Parasitology; National Institute of Infectious Diseases; Tokyo Japan
3. Department of Pathology; National Institute of Infectious Diseases; Tokyo Japan
4. Division of Neurology; Ohmihachiman Community Medical Center; Ohmihachiman Japan
5. Division of Pathology; Ohmihachiman Community Medical Center; Ohmihachiman Japan