1. Department of Epidemiology and Preventive Medicine, Graduate School of Medicine, Gifu University, Gifu, Japan.
2. Department of Preventive Medicine, Graduate School of Medicine, Nagoya University, Nagoya, Japan.
3. Gifu City Healthcare Center, Gifu, Japan.
4. Department of Food Science and Nutrition, Nagoya Women's University, Nagoya, Japan.
5. Hekinan Medical Association, Hekinan, Japan.