1. Department of Nutritional Science and Food Management, Ewha Womans University, 52, Ewhayeodae-gil, Seodaemun-gu, Seoul 03760, Korea.
2. Food and Nutrition Major, Division of Food Science and Culinary Arts, Shinhan University, Gyeonggi 11644, Korea.
3. Department of Obstetrics and Gynecology, Ewha Womans University School of Medicine, Seoul 03760, Korea.