1. Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
2. Department of Obstetrics and Gynecology, Fertility Center of CHA Bundang Medical Center, CHA University, Seongnam 13520, Republic of Korea
3. Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University, Seoul 06125, Republic of Korea