1Department of Public Health, Aichi Prefectural College of Nursing and Health, Nagoya,
2Kansai Medical University, Osaka,
3National Institute of Radiological Sciences, Chiba.
4Department of Public Health, St Marry's College, Fukuoka,
5Project of Scientific Evaluation of Dietary Reference Intakes, National Institute of Health and Nutrition, Wako
6Department of Social and Preventive Epidemiology, Tokyo University, Tokyo
7Department of Public Health, Fukuoka University School of Medicine, Fukuoka,
8Department of Hygiene, Hyogo College of Medicine, Nishinomiya,
9Department of Epidemiology, Juntendo University School of Medicine, Tokyo,
10Department of Public Health, Saitama Medical School, Saitama, Japan