1. Department of Social Medicine Osaka University Graduate School of Medicine Osaka Japan
2. Department of Epidemiology Radiation Effects Research Foundation Hiroshima Japan
3. Division of Epidemiology Department of Health Informatics and Public Health School of Public Health Tohoku University Graduate School of Medicine Sendai Japan
4. Epidemiology and Prevention Group Center for Public Health Sciences National Cancer Center Tokyo Japan
5. Division of Cancer Information and Control Department of Preventive Medicine Aichi Cancer Research Institute Nagoya Japan
6. Department of Public Health Aichi Medical University School of Medicine Nagakute Japan
7. Department of Public Health Faculty of Medicine Hokkaido University Hokkaido Japan
8. Department of Epidemiology and Preventive Medicine Gifu University Graduate School of Medicine Gifu Japan
9. Department of Epidemiology and Prevention Center for Clinical Sciences National Center for Global Health and Medicine Tokyo Japan
10. Division of Cancer Epidemiology and Prevention Aichi Cancer Center Research Institute Nagoya Japan
11. Division of Cancer Epidemiology Nagoya University Graduate School of Medicine Nagoya Japan
12. Department of Oral Epidemiology Graduate School of Biomedical and Health Sciences Hiroshima University Hiroshima Japan
13. Department of Preventive Medicine Faculty of Medicine Saga University Saga Japan
14. Department of Cancer Epidemiology Graduate School of Medicine The University of Tokyo Tokyo Japan