1. Department of Lung Transplantation Centre of Respiratory Diseases, China‐Japan Friendship Hospital Beijing China
2. National Center for Respiratory Medicine Beijing China
3. Institute of Respiratory Medicine, Chinese Academy of Medical Science Beijing China
4. National Clinical Research Center for Respiratory Diseases Beijing China
5. Department of Pathology Centre of Respiratory Diseases, China‐Japan Friendship Hospital Beijing China
6. Department of Pulmonary and Critical Care Medicine Centre of Respiratory Diseases, China‐Japan Friendship Hospital Beijing China
7. Department of Pulmonary and Critical Care Medicine Jizhong Energy Fengfeng Group Hospital Handan China
8. WHO Collaborating Center for Tobacco Cessation and Respiratory Diseases Prevention Beijing China