Affiliation: | (1) Department of Hygiene, Faculty of Medicine, Kagawa University, Miki-cho, Kita-gun Kagawa, 761-0793, Japan;(2) National Institute of Health and Nutrition, Tokyo 162-8636, Japan;(3) Department of Public Health, Faculty of Medicine, Kagawa University, Miki-cho, Kita-gun Kagawa, 761-0793, Japan;(4) Okayama Southern Institute of Health, Okayama 700-0952, Japan |