1. Department of Respiratory Medicine; Meitan General Hospital; Beijing China
2. Department of Medical Oncology; Meitan General Hospital; Beijing China
3. Department of the Respiratory Centre, Xiamen Second Hospital; Teaching Hospital of Xiamen Medical University; Xiamen China
4. Department of Gastroenterology; Chinese People's Liberation Army (PLA) General Hospital and Chinese PLA Medical School; Beijing China
5. Department of Thoracic Surgery, Beijing Chaoyang Hospital; Capital Medical University; Beijing China
6. National Cancer Center/Cancer Hospital; Chinese Academy of Medical Sciences and Peking Union Medical College; Beijing China
7. Department of Respiratory and Critical Care Medicine; The Second Affiliated Hospital of Fujian Medical University, Center of Respiratory Medicine of Fujian Province; Quanzhou China
8. Department of Respiratory Medicine; Chinese People's Liberation Army (PLA) General Hospital and Chinese PLA Medical School; Beijing China
9. Department of Pulmonary and Critical Care Medicine; Dongfang Hospital Affiliated to Xiamen University; Fuzhou China
10. Department of Respiratory and Critical Care Medicine, Fujian Provincial Hospital, Fujian Provincial Medical College; Fujian Medical University; Fuzhou China
11. Department of Respiratory Medicine; Tangdu Hospital, Fourth Military Medical University; Xian China
12. Department of Respiratory Medicine; Zhongshan Hospital, Guangdong Medical University; Zhongshan China
13. Respiratory Endoscopy Center; Shandong Chest Hospital; Jinan China
14. Department of Respiratory Medicine, Shandong Provincial Hospital; Shandong University; Jinan China
15. Department of Respiratory Medicine, Shanghai Tenth People's Hospital; Tongji University; Shanghai China
16. Department of Respiratory Medicine; The First Affiliated Hospital of Shangxi Medical University; Taiyuan China
17. Department of Thoracic Surgery, The Third Affiliated Hospital; Xuzhou Medical University; Xuzhou China
18. Department of Thoracic Surgery, Shanghai Chest Hospital; Shanghai Jiaotong University; Shanghai China
19. Department of Interventional Radiology; The First Affiliated Hospital of Zhengzhou University; Zhengzhou China
20. Respiratory Department; Interventional Institute of Zhengzhou University; Zhengzhou China