1. Department of Prosthodontics & Oral Rehabilitation, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
2. Department of Biomaterials and Bioengineering, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan
3. Department of Clinical Nutrition, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare, Okayama, Japan
4. Department of Oral Microbiology, Tokushima University Graduate School of Biomedical Sciences, Tokushima, Japan