Institution: | a Institute of Molecular Biology and Genetics, Seoul National University, Seoul 151-742, Republic of Korea b Institute of Bioengineering, Seoul National University, Seoul 151-742, Republic of Korea c School of Chemical and Biological Engineering in College of Engineering, Seoul National University, Seoul 151-742, Republic of Korea d Department of Obstetrics and Gynecology, Seoul National University College of Medicine, Seoul 110-744, Republic of Korea e Department of Biochemistry and Molecular Biology Seoul National University College of Medicine, Seoul 110-744, Republic of Korea |