1. Department of Radiology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
2. Department of Obstetrics, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
3. Department of Women’s Health, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
4. Department of Neonatology, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
5. Department of Ultrasound, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China
6. Women’s Reproductive Health Key Laboratory of Zhejiang Province, Women’s Hospital, Zhejiang University School of Medicine, Hangzhou, China