1. Graduate School of Integrated Sciences for Life, Hiroshima University, Hiroshima, Japan
2. Division of Microbiology, Osaka Institute of Public Health, Osaka City, Osaka, Japan
3. Division of Food Microbiology, Institute of Public Health, Ho Chi Minh City, Vietnam
4. Kanagawa Institute of Public Health, Chigasaki City, Kanagawa, Japan
5. Research Center for Microorganism Control, Osaka Prefecture University, Sakai City, Osaka, Japan
6. Faculty of Contemporary Human Life Science, Tezukayama University, Nara City, Nara, Japan