1. Department of Obstetrics & Gynecology, Gil Hospital, Graduate School of Medicine, Gachon University of Medicine and Science, Incheon, Korea.
2. Division of Biological Science, Gil Hospital, Graduate School of Medicine, Gachon University of Medicine and Science, Incheon, Korea.
3. Lab of Immunology, Gil Hospital, Graduate School of Medicine, Gachon University of Medicine and Science, Incheon, Korea.