1. Division of Prevention, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.
2. Department of Epidemiology and Preventive Medicine, Gifu University Graduate School of Medicine, Gifu, Japan.
3. Division of Cancer Statistics Integration, Center for Cancer Control and Information Services, National Cancer Center, Tokyo, Japan.
4. National Cancer Registry Section Center for Cancer Registries Center for Cancer Control and Information Services/Office of International Affairs, Strategic Planning Bureau National Cancer Center, Japan, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan.