1. Graduate school of Cultural Industry, Sungshin Women's University, 249-1 Dongseon-dong, Seongbuk-gu, Seoul 136-742, Korea.
2. Department of Food & Nutrition, Sungshin Women's University, Seoul 136-742, Korea.
3. Obstetric & Gynecology, Kangnam CHA Hospital, College of Medicine, Pochon CHA University, Seoul 135-913, Korea.