Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Anesthesiology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Anesthesiology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Pathology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Urology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Radiology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Obstetrics & Gynecology Baylor College of Medicine Houston USA;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Key Laboratory for Major Obstetric Diseases of Guangdong Province Department of Gynaecology and Obstetrics Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
Department of Radiology Third Affiliated Hospital of Guangzhou Medical University Guangzhou Guangdong 510150 China;
