[1
]
Department of Obstetrics and Gynaecology, Peking University First Hospital, Beijing,
China.
[2
]
Obstetrics and Gynecology Department, Hospital Universitario de Torrejón, Torrejón
de Ardoz, Madrid, Spain.
[3
]
School of Medicine, Universidad Francisco de Vitoria (UFV), Pozuelo de Alarcón, Madrid,
Spain.
[4
]
Department of Gynaecology and Obstetrics, Tongji Hospital, Tongji Medical College,
Huazhong University of Science & Technology, Wuhan, China.
[5
]
Department of Gynaecology and Obstetrics, Zhongnan Hospital of Wuhan University, Wuhan,
China.
[6
]
Clinical Medicine Research Center of Prenatal Diagnosis and Birth Health in Hubei
Province, Wuhan, China.
[7
]
Department of Obstetrics and Gynaecology, Prince of Wales Hospital, The Chinese University
of Hong Kong, Hong Kong SAR.
[8
]
Harris Birthright Centre, Fetal Medicine Research Institute, King's College Hospital,
King's College London, London, UK.