1. Department of Medical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Department of Medical Oncology The First Affiliated Hospital of Xi'an Jiaotong University Xi'an China
3. Department of Thoracic Surgery Shanghai Chest Hospital, Shanghai Jiao Tong University Shanghai China
4. Department of Oncology First Affiliated Hospital of Xinxiang Medical University Xinxiang China
5. Department of Oncology The First Affiliated Hospital of Zhengzhou University Zhengzhou China
6. Department of Medical Oncology The First Affiliated Hospital of Nanjing Medical University Nanjing China
7. Department of Medical Oncology Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, Nanjing Medical University Affiliated Cancer Hospital Nanjing China
8. Department of Medical Oncology Shandong Cancer Hospital Jinan China
9. Department of Medical Oncology Tianjin Cancer Hospital Tianjin China
10. Department of Biostatistics School of Public Health Nanjing Medical University Nanjing China
11. Department of Medical Oncology Henan Cancer Hospital Zhengzhou China
12. Department of Medical Oncology Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
13. Department of Medical Oncology Harbin Medical University Cancer Hospital Harbin China
14. Department of Gastroenterology Affiliated Tumor Hospital, Xinjiang Medical University Urumqi China
15. Department of Thoracic Surgical Oncology National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China