Laboratory of Public Health, Department of Environmental Veterinary Sciences, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido, Japan; Department of Infectious Disease Control, Faculty of Medicine, Oita University, Oita, Japan; Department of Prion Diseases, Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Hokkaido, Japan; Laboratory of Comparative Pathology, Department of Veterinary Clinical Sciences, Graduate School of Veterinary Medicine...(2010-04時点)