1. Department of Oral Health Care and Rehabilitation, Institute of Biomedical Sciences, Tokushima University Graduate School
2. Faculty of Nursing, Sanyo Gakuen University
3. Department of Oral Microbiology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
4. Department of Bacteriology, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University
5. Graduate School of Health Sciences, Okayama University