1. College of Biomedical Engineering, State Key Laboratory of Ultrasound in Medicine and Engineering, Chongqing Medical University, Chongqing, China
2. Chongqing Haifu Hospital, Chongqing, China
3. Department of Gynecology, Affiliated Hospital of Zunyi Medical University, Zunyi, China
4. Department of Gynecology, Shijiazhuang People’s Hospital, Shijiazhuang, China
5. Department of Radiology, Women and Children’s Hospital of Chongqing Medical University, Chongqing, China