1. Department of Biomaterials Science and Technology, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-749, Korea.
2. Department of Medical Nutrition, Graduate School of East-West Science, Kyung Hee University, Yongin, Gyeonggi 446-701, Korea.
3. NutriPlan Co., Ltd, Gyeonggi 410-837, Korea.