1. Institute for Clinical Research, CHA Bundang Medical Center, CHA University, Seongnam, South Korea
2. Department of Biomedical Science, College of Life Science, CHA University, Seongnam, South Korea
3. Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University, Seongnam, South Korea
4. Department of Obstetrics and Gynecology, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
5. Fertility Center of CHA Gangnam Medical Center, CHA University, Seoul, South Korea