1. Department of Microbiology, University of Occupational and Environmental Health, Japan
2. First Department of Internal Medicine, School of Medicine, University of Occupational and Environmental Health, Japan
3. Department of Information Science, School of Health Science, University of Occupational and Environmental Health, Japan
4. Fukuoka Institute of Health and Environmental Sciences
5. Merchandising Division, Naturally Yours Co., Ltd.
6. Biomedical Laboratory, Division of Biomedical Research, Kitasato Institute Medical Center Hospital, Kitasato University
7. Kitasato Junior College of Health and Hygienic Sciences