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