1. Department of Obstetrics and Gynecology; Seoul National University Bundang Hospital; Seongnam-Si Gyeonggi-Do Republic of Korea
2. Department of Obstetrics and Gynecology; Hallym University Dongtan Sacred Heart Hospital; Hwaseong-Si Gyeonggi-do Republic of Korea
3. Seoul National University; School of Medicine; Seoul Republic of Korea
4. Goodgene Inc. Koyang-Si; Gyeonggi-do Republic of Korea