1. Inje University College of Medicine, Busan, Korea
2. Department of Clinical Laboratory Science, Semyung University, Jecheon, Korea
3. Department of Laboratory Medicine, Inje University College of Medicine, Busan, Korea
4. Department of Obstetrics and Gynecology, Inje University College of Medicine, Busan, Korea
5. Paik Institute for Clinical Research, Inje University College of Medicine, Busan, Korea