Affiliation: | 1. Department of Periodontology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, , Tokyo, Japan;2. Microbe Division/Japan Collection of Microorganisms, RIKEN BioResource Center, , Tsukuba, Ibaraki, Japan;3. Global Center of Excellence (GCOE) Program, International Research Center for Molecular Science in Tooth and Bone Diseases, Tokyo Medical and Dental University, , Tokyo, Japan |