1. Department of Oral Science, Graduate School of Dentistry, Kanagawa Dental University
2. Division of Microbiology, Department of Infection Control, Graduate School of Dentistry, Kanagawa Dental University
3. Yokosuka-Shonan Disaster Health Emergency Research Center & ESR Laboratories, Kanagawa Dental University
4. Department of Health Science, School of Nursing, Kanagawa Dental University