?:authorAffiliation
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[\'Department of Family Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea. jeongth@uuh.ulsan.kr.\', \'Department of Internal Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.\', \'Department of Preventive Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.\', \'Department of Family Medicine, Daegu Medical Center, Daegu, Korea.\', \'Department of Family Medicine, Seoul National University Hospital, Seoul, Korea.\', \'Department of Family Medicine, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea.\']
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