1. Department of Obstetrics and Gynecology, Kangwon National University School of Medicine, Chuncheon, Korea.
2. Department of Obstetrics and Gynecology, Ewha Womans University Mokdong Hospital, Ewha Medical Research Institute College of Medicine, Seoul, Korea.
3. Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul, Korea.
4. Department of Obstetrics and Gynecology, College of Medicine, Ewha Womans University, Seoul, Korea.
5. Division of Artificial Intelligence and Software/Artificial Intelligence Convergence, Ewha Womans University, Seoul, Korea.
6. Department of Obstetrics and Gynecology, Ewha Womans University Seoul Hospital, Seoul, Korea.
7. Department of Obstetrics and Gynecology, School of Medicine, Keimyung University, Dongsan Medical Center, Daegu, Korea.
8. Department of Obstetrics and Gynecology, University of Ulsan College of Medicine, Ulsan University Hospital, Ulsan, Korea.
9. Department of Obstetrics and Gynecology, Severance Hospital, Institute of Women's Life Medical Science, Yonsei University College of Medicine, Seoul, Korea.