1. Laboratory of Animal Health, Cooperative Division of Veterinary Sciences, Graduate School of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
2. Laboratory of Animal Health, Department of Veterinary Medicine, Faculty of Agriculture, Tokyo University of Agriculture and Technology, Tokyo, Japan
3. Bar-Ilan University, Begin-Sadat Center for Strategic Studies, Ramat Gan, Israel
4. Division of Zoonosis Research, National Institute of Animal Health, National Agriculture and Food Research Organization, Ibaraki, Japan