1. Graduate School of Integrated Sciences for Life, Hiroshima University
2. Division of Microbiology, Osaka Institute of Public Health
3. Division of Microbiology Kanagawa Prefectural Institute of Public Health
4. Division of Biomedical Food Research, National Institute of Health Sciences
5. Research Center for Microorganism Control, Osaka Prefecture University
6. Faculty of Contemporary Human Life Science, Tezukayama University