1. Laboratory of Genome Science, Tokyo University of Marine Science and Technology, Konan 4-5-7 Minato, 108-8477 Tokyo, Japan
2. Laboratory of Comparative Genomics, Nara Institute of Science and Technology, Keihanna Science City, 8916-5, Takayama-cho, Ikoma, Nara 630-0192, Japan
3. Institute of Microbiology, Department of Clinical Microbiology, The Hebrew University-Hadassah Medical School, Ein Karen, Jerusalem, Israel
4. Kimron Veterinary Institute, Bet Dagan, Israel
5. MRC Virology Unit, Church St., Glasgow G11 5JR, United Kingdom
6. Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, California 95616