1. Department of Infectious Diseases; Kobe Institute of Health; 4-6-5, Minatojima-Nakamachi, Chuo-ku, Kobe 650-0046 Japan
2. Thermocell; Shinagawa-ku, Tokyo 141-0022 Japan
3. Department of International Health; Kobe University Graduate School of Health Sciences; Suma-ku, Kobe 615-0124 Japan
4. Medical Genetics Research Center; Nara Medical University; Kashihara, Nara 634-8521 Japan
5. Department of Virology 1; National Institute of Infectious Diseases, Toyama, Shinjuku; Tokyo 162-8640 Japan
6. Divison of Protein Regulation Research; Medical Research Institute, Kanazawa Medical University; Ishikawa 920-0293 Japan
7. Division of Molecular Oncology and Virology; Medical Research Institute; Kanazawa Medical University; Ishikawa 920-0293 Japan