1. R&D Unit, Maeil Health Nutrition Co., Ltd, Pyeongtaek 17714, Korea.
2. Department of Food and Nutrition, Hanyang University, Seoul 04763, Korea.
3. Happy Link, Incheon 21524, Korea.
4. Department of Child Care, Yuhan University, Bucheon 14780, Korea.
5. Korea Institute of Child Education, Bucheon 14479, Korea.
6. Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Korea.