Affiliation: | 1. Division of Oral Immunology, Department of Oral Biology, Tohoku University Graduate School of Dentistry, Sendai, Japan;2. Liaison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan;3. Cellular Biology Laboratory, Tohoku University Graduate School of Agricultural Science, Sendai, Japan;4. Division of Periodontology and Endodontology, Department of Oral Biology, Tohoku University Graduate School of Dentistry, Sendai, Japan |