?:authorAffiliation
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[\'Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan.\', \'Division of Periodontology, Kyushu Dental University, Kitakyushu, Japan.\', \'Division of Infections and Molecular Biology, Kyushu Dental University, Kitakyushu, Japan.\', \'Dental Center for Regional Medical Survey, Kyushu Dental University, Kitakyushu, Japan.\', \'Graduate School of Dentistry, MSc Program, Kyushu Dental University, Kitakyushu, Japan.\']
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