210009 Department of Medical Oncology Jiangsu Province Institute of Cancer Research Nanjing China;
Department of Epidemiology Jiangsu Province Institute of Cancer Research Nanjing China;
Department of Epidemiology Jiangsu Province Institute of Cancer Research Nanjing China;
Department of Epidemiology Jiangsu Province Institute of Cancer Research Nanjing China;
Division of Epidemiology and Prevention Aichi Cancer Center Research Insti-tute Nagoya Japan;
Department of Surgery Jiangsu Pmvince Institute of Cancer Research Nanjing China;
210009 Department of Medical Oncology Jiangsu Province Institute of Cancer Research Nanjing China;
210009 Department of Medical Oncology Jiangsu Province Institute of Cancer Research Nanjing China;