1. Department of Obstetrics and Gynecology, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, China
2. Department of Radiology, The First Affiliated Hospital of Xi'an Medical University, Xi'an, Shaanxi 710077, China
3. Key Laboratory of Resource Biology and Biotechnology in Western China (Northwest University), Ministry of Education, School of Life Sciences, Northwest University, Xi’an, Shaanxi 710069, China
4. Xi’an Tiangen Precision Medical Institute, Xi’an, Shaanxi 710075, China
5. Clinic of Gynecology and Obstetrics, Hainan Provincial People's Hospital, Haikou 570102, China