1. Invited professor, Department of Food and Nutrition, Chungbuk National University, Cheongju, Korea.
2. Team member, National Institute of Food & Nutrition Service, Cheongju, Korea.
3. Team leader, National Institute of Food & Nutrition Service, Cheongju, Korea.
4. Former center director, National Institute of Food & Nutrition Service, Cheongju, Korea.
5. Professor, Department of Food and Nutrition, Chungbuk National University, Cheongju, Korea.