1. The Korea Central Cancer Registry, National Cancer Center, Goyang, Korea.
2. School of Public Health, Seoul National University, Seoul, Korea.
3. International Agency for Research on Cancer, Lyon, France.
4. National Cancer Control Research Institute, National Cancer Center, Goyang, Korea.
5. Seoul Cancer Registry, Seoul, Korea.
6. Busan Cancer Registry, Busan, Korea.
7. Daegu Cancer Regisry, Daegu, Korea.
8. Gwangju Cancer Registry, Gwangju, Korea.
9. Incheon Cancer Registry, Incheon, Korea.
10. Daejeon Cancer Registry, Daejeon, Korea.
11. Ulsan Cancer Registry, Ulsan, Korea.
12. Jeju-do Cancer Registry, Jeju, Korea.
13. Korean Medical Record Association, Seoul, Korea.
14. Health Insurance Policy Research Institute, National Health Insurance Corporation, Seoul, Korea.
15. Ministry for Health, Welfare and Family Affairs, Seoul, Korea.