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*Eiju Shimizu
Division of Periodontology, Niigata University Graduate School of Medical and Dental Sciences Shimizu Dental Clinic
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Tetsuo Kobayashi
Division of Periodontology, Niigata University Graduate School of Medical and Dental Sciences General Dentistry and Clinical Education Unit, Niigata University Medical and Dental Hospital
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Hiroyuki Wakabayashi
Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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Koji Yamauchi
Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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Keiji Iwatsuki
Food Science & Technology Institute, Morinaga Milk Industry Co., Ltd.
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Hiromasa Yoshie
Division of Periodontology, Niigata University Graduate School of Medical and Dental Sciences