1. Department of Epidemiology and Health Index, Center for Genome Science, Korea National Institute of Health
2. Department of Obstetrics and Gynecology, Ajou University School of Medicine
3. Department of Obstetrics and Gynecology, Mizmedi Hospital
4. Department of Psychiatry, Myongji Hospital, Hanyang University College of Medicine
5. Department of Obstetrics and Gynecology, Asan Medical Center, Ulsan University Medical School
6. Department of Obstetrics and Gynecology, CHA Gangnam Medical Center, CHA University
7. Department of Research Planning, Center for Biomedical Science, Korea National Institute of Health
8. Department of Obstetrics and Gynecology, CHA Bundang Medical Center, CHA University
9. Center for Genome Science, Korea National Institute of Health