?:authorAffiliation
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[\'Department of Otolaryngology, Sapporo Medical University School of Medicine, Sapporo, Japan.\', \'Department of Emergency Medicine, Sapporo Medical University School of Medicine, Sapporo, Japan.\', \'Department of Otolaryngology, Sapporo Medical University School of Medicine, Sapporo, Japan kent@sapmed.ac.jp.\']
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