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Kinziro KUBOTA
Institute of Stomatognathic Science, Faculty of Dentistry, Tokyo Medical and Dental University [Japan]
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Shogoro OKADA
Department of Preventive Dentistry and Public Health, Faculty of Dentistry, Tokyo Medical and Dental University [Japan]
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Yoshiaki ONO
Department of Pedodontics, Faculty of Dentistry, Tokyo Medical and Dental University [Japan]
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Minoru NAKATA
Department of Pedodontics, Faculty of Dentistry, Kyushu University [Japan]
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Masatoshi OHNISHI
Department of Oral Surgery, Yamanashi Medical College [Japan]
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Yasuhisa KAMEDA
Department of Conservative Dentistry, Nippon Dental University, Tokyo [Japan]
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T. Adesanya Ige Grillo
Department of Anatomy and Cell Biology, Faculty of Health Sciences, University of Ife [Nigeria]
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N. O. Hollist
Department of Dental and Oral Health, Faculty of Health Sciences, University of Ife [Nigeria]
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S. O. Johnson
Ministry of Health in Nigeria [Nigeria]