?:authorAffiliation
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[\'Department of Dental Technology, The Nippon Dental University College, Tokyo 102-8159, Japan.\', \'Division of Disease Control and Epidemiology, School of Dentistry, Health Sciences University of Hokkaido, Hokkaido 061-0293, Japan.\', \'Department of Health Promotion, National Institute of Public Health, Saitama 351-0197, Japan.\', \'National Institute of Public Health, Saitama 351-0197, Japan.\']
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