?:authorAffiliation
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[\'Department of Pulmonary and Critical Care Medicine, Beijing Hospital, National Center of Gerontology, the Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, People\'s Republic of China.\', \'First Department of Hepatobiliary & Pancreas Surgery, The First Hospital, Jilin University, Jilin, 130021, Changchun, China.\', \'Tobacco Medicine and Tobacco Cessation Center, Center of Respiratory Medicine, China-Japan Friendship Hospital, Beijing, China.\', \'WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention, Beijing, China.\', \'National Clinical Research Center for Respiratory Diseases, Beijing, China.\', \'Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, Beijing, China.\', \'Institute of Clinical Medical Sciences, China-Japan Friendship Hospital, Beijing, China.\', \'Institute of Respiratory Medicine, Chinses Academy of Medical Sciences; National Clinical Research Center for Respiratory Disease, Beijing, China.\', \'Department of Pulmonary and Critical Care Medicine, Beijing Hospital, National Center of Gerontology, the Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, People\'s Republic of China. lymyl@263.net.\']
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