1 Department of Cardio-Thoracic Surgery, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China.
2 Department of Ultrasound Imaging, Postgraduate Union Training Base of Xiangyang No.1 People's Hospital, School of Medicine, Wuhan University of Science and Technology, Xiangyang, 441000, Hubei, China.
3 Department of Cardio-Thoracic Surgery, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China. Electronic address: [email protected].
4 Hubei Provinical Clinical Research Center for Accurate Fetus Malformation Diagnosis, Department of Ultrasound, Xiangyang No. 1 People's Hospital, Hubei University of Medicine, Xiangyang, 441000, China. Electronic address: [email protected].