1. Department of Environmental Medicine; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
2. Department of Medicine and Bioregulatory Sciences; The University of Tokushima Graduate School of Medical Sciences; Tokushima Japan
3. The Clinical Research Center for Diabetes; Tokushima University Hospital; Tokushima Japan
4. Department of Medicine and Clinical Science; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
5. Department of Health Promotion; School of Health and Nutrition Sciences; Nakamura-Gakuen University; Fukuoka Japan