1. Department of Obstetrics and Gynecology, Indonesia Army Hospital, Central Jakarta 10410, Indonesia
2. Siena Clinical, Central Jakarta 10340, Indonesia
3. Department of Obstetrics and Gynecology, Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Depok, Yogyakarta 55281, Indonesia
4. Department of Histology and Cell Biology, Faculty of Medicine, Public Health and Nursing, Gadjah Mada University, Depok, Yogyakarta 55281, Indonesia