?:authorAffiliation
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[\'Department of Pulmonary Medicine, Fukushima Medical University School of Medicine, Fukushima, 960-1295, Japan. Electronic address: shibatay@fmu.ac.jp.\', \'Department of Respiratory Medicine, Nara Medical University School of Medicine, Nara, 634-8521, Japan.\', \'Department of Allergology and Respiratory Medicine, Kochi Medical School, Kochi University, Kochi, 783-8520, Japan.\', \'Japan Clean Air Association, Tokyo, 100-0001, Japan; Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan.\']
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