1. Department of Bacteriology, National Institute of Infectious Disease, Tokyo, Japan
2. Division of Global Epidemiology, Hokkaido University Research Center for Zoonosis Control, Hokkaido, Japan
3. Ikari Corporation, Chiba, Japan
4. Section of Environmental Parasitology, Graduate School of Tokyo Medical and Dental University, Tokyo, Japan
5. Kagoshima Central Livestock Hygiene Service Center, Kagoshima, Japan
6. Pfizer Japan Inc., Tokyo, Japan
7. Animal Health Unit, Philippine Carabao Center National Headquarters and Genepool, Nueva Ecija, Philippines