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 Surgery, National Cancer Center/National Clinical Research Center for Cancer/Cancer HospitalChinese Academy of Medical Sciences and Peking Union Medical College Beijing China