1. Division of Periodontology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Niigata Japan
2. Division of Dental Pharmacology, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Japan
3. Division of Oral and Maxillofacial Surgery, Department of Oral Biological Science Niigata University Graduate School of Medical and Dental Sciences Japan
4. Bioscience Medical Research Center Niigata University Medical and Dental Hospital Japan