1. Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center
2. Department of Public Health Medicine, Faculty of Medicine, and Health Services Research and Development Center, University of Tsukuba
3. Public Health, Department of Social Medicine, Osaka University Graduate School of Medicine
4. Department of Public Health, Kochi University Medical School
5. Department of Public Health and Epidemiology, Faculty of Medicine, Oita University
6. Center for Education and Educational Research, Faculty of Education, Ehime University
7. Department of Public Health, Nagasaki University Graduate School of Biomedical Sciences
8. Department of Hygiene and Preventive Medicine, Iwate Medical University