1. Office for Cancer Screening National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China
2. Henan Office for Cancer Control and Research The Affiliated Cancer Hospital of Zhengzhou University Henan Cancer Hospital Zhengzhou China
3. Department of Oncology Kailuan General Hospital Tangshan China
4. Health Department of Kailuan (group) Kailuan General Hospital Tangshan China
5. Department of Thoracic Surgery National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital Chinese Academy of Medical Sciences and Peking Union Medical College Beijing China