1. Department of Health Care Administration and Management Graduate School of Medical Sciences Kyushu University FukuokaJapan
2. Center for Cohort Studies Graduate School of Medical Sciences Kyushu University Fukuoka Japan
3. Department of Food Science Faculty of Home Economics Otsuma Women’s University Tokyo Japan
4. Public Health Planning Division Public Health Bureau Kobe City Government Kobe Japan
5. Division of Environmental Medicine and Population Sciences Department of Social and Environmental Medicine Graduate School of Medicine Osaka University Suita Japan