1. Department of Senior Healthcare, BK21 Plus Program, Graduated School, Eulji University, Daejeon, Korea
2. Department of Obstetrics and Gynecology, Seoul National University Bundang Hospital, Seongnam, Korea
3. Seoul National University College of Medicine, Seoul, Korea
4. Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul, Korea
5. Department of Biomedical Laboratory Science, Graduate School of Health Science, Eulji University, Daejeon, Korea
6. Eulji Medi-Bio Research Institute (EMBRI), Eulji University, Daejeon, Korea