[1] Fourth Hospital of China Medical University,Department of Pulmonary and Critical Care Medicine
[2] Shengjing Hospital of China Medical University,Department of Pulmonary and Critical Care Medicine
[3] China-Japan Friendship Hospital,Department of Pulmonary and Critical Care Medicine, Center of Respiratory Medicine
[4] Chinese Academy of Medical Sciences,National Center for Respiratory Medicine
[5] Chinese Academy of Medical Sciences,Institute of Respiratory Medicine
[6] Chinese Academy of Medical Sciences,Respiratory Department, Center for Pulmonary Vascular Diseases, Fuwai Hospital, National Center for Cardiovascular Diseases
[7] Peking Union Medical College,undefined
[8] Chinese Academy of Medical Sciences and Peking Union Medical College,undefined