1. Department of Laboratory Medicine, College of Medicine; The Catholic University of Korea; Seoul Republic of Korea
2. Catholic Genetic Laboratory Center, College of Medicine; The Catholic University of Korea; Seoul Republic of Korea
3. Department of Pediatrics, College of Medicine; The Catholic University of Korea; Seoul Republic of Korea
4. Department of Obstetrics and Gynecology, College of Medicine; The Catholic University of Korea; Seoul Republic of Korea
5. Department of Biostatistics, Clinical Research Coordinating Center; The Catholic University of Korea; Seoul Republic of Korea