?:authorAffiliation
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[\'Itako Public Health Center of Ibaraki Prefectural Government, Itako 311-2422, Japan.\', \'Fujiidera Public Health Center of Osaka Prefectural Government, Fujiidera 583-0024, Japan.\', \'Tsuchiura Public Health Center of Ibaraki Prefectural Government, Tsuchiura 300-0812, Japan.\', \'Department of Public Health and Medical Affairs, Osaka Prefectural Government, Osaka 540-8507, Japan.\']
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