1. State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing, China
2. Department of Obstetrics and Gynaecology, Affiliated Hospital of Zunyi Medical University, Guizhou, China
3. Department of Gynecology of Shijiazhuang People’s Hospital, Hebei, China
4. Sichuan Provincial Center for Gynaecology and Breast Diseases, The Affiliated Hospital of Southwest Medical University, Sichuan, China
5. Department of Radiology, Chongqing Haifu Hospital, Chongqing, China