1. Department of Food and Nutrition, Myongji University, 116, Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea.
2. Mongolia Center for Improvement of Nutrition (MIN), Ulaanbaatar-13, Mongolia.
3. Yongin Center for Children's Foodservice Management, Gyeonggi 449-704, Korea.
4. Public Health Promotion Division, Gyeonggi Province, 1, Maesanno 3-ga, Paldal-gu, Suwon, Gyeonggi 442-781, Korea.