?:authorAffiliation
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[\'Japan Clean Air Association, 2-2-3 Hibiyakokusai Bud. Uchisaiwaichou, Chiyoda-ku, Tokyo, 100-0001, Japan; Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, 30-1 Ohyaguchikamimachi, Itabashi-ku, Tokyo, 173-8610, Japan. Electronic address: hashimoto.shu@nihion-u.ac.jp.\', \'Division of Respiratory Medicine, Department of Internal Medicine, Nihon University School of Medicine, 30-1 Ohyaguchikamimachi, Itabashi-ku, Tokyo, 173-8610, Japan.\']
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