1. Department of Molecular Pharmacology; Medical Research Institute; Tokyo Medical and Dental University; Japan
2. Department of Periodontology, Graduate School of Medical and Dental Sciences; Tokyo Medical and Dental University; Japan
3. Department of Pharmacology; Tsurumi University, School of Dental Medicine; Japan
4. Laboratory of Molecular Biology, Department of Molecular and Cell Biology; Graduate School of Agricultural Science, Tohoku University; Japan