1. Department of Surgery National Cancer Center Goyang Korea
2. National Cancer Center Graduate School of Cancer Science and Policy Goyang Korea
3. Cancer Policy Branch National Cancer Control InstituteNational Cancer Center Goyang Korea
4. Biostatistics Collaboration Team Research Core CenterResearch InstituteNational Cancer Center Goyang Korea
5. Office of Biostatistics Research National Heart, Lung and Blood InstituteNational Institutes of Health Bethesda MD USA
6. Health Insurance Policy Research Institute National Health Insurance Service Wonju South Korea
7. Department of Laboratory Medicine National Cancer Center Goyang Korea
8. Division of Translational Science Research InstituteNational Cancer Center Goyang Korea