1. Department of Applied Bioscience and Biotechnology, Faculty of Life and Environmental Science, 1 and
2. Kazusa DNA Research Institute, Kisarazu 292-0812, 2 and
3. Research Institute of Molecular Genetics, 3 Shimane University, Matsue 690-8504,
4. Department of Viral Oncology, Institute for Virus Research, Kyoto University, Kyoto 606-0857, 4 Japan