?:authorAffiliation
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[\'Department of Respiratory Medicine, Tianjin Haihe Hospital, Tianjin, China; Tianjin Institute of Respiratory Diseases, Tianjin, China.\', \'Tianjin Institute of Respiratory Diseases, Tianjin, China; Department of Prevention, Haihe Clinical College of Tianjin Medical University, Tianjin, China. Electronic address: xieyi1223@163.com.\', \'Department of Respiratory Medicine, Tianjin Haihe Hospital, Tianjin, China; Tianjin Institute of Respiratory Diseases, Tianjin, China. Electronic address: lily20060718@163.com.\']
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