1. Epidemiology Section, Division of Public Health Osaka Institute of Public Health Osaka Japan
2. Department of General Medicine Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
3. Department of Community Medicine Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
4. Leading Medical Research Core Unit, Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
5. Nagasaki University Health Center Nagasaki Japan
6. Department of Public Health Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan
7. Department of Island and Community Medicine Nagasaki University Graduate School of Biomedical Sciences Nagasaki Japan