| Affiliation: | 1. Division of Paediatric Surgery, Department of Surgery, University of Hong Kong Medical Centre, Queen Mary Hospital, Hong Kong SAR, China;2. Prenatal Diagnostic Clinic, Department of Obstetrics and Gynaecology, Tsan Yuk Hospital, Hong Kong SAR, China;3. Prenatal Diagnostic Clinic, Department of Obstetrics and Gynaecology, Kwong Wah Hospital, Hong Kong SAR, China;4. Prenatal Diagnostic Clinic, Department of Obstetrics and Gynaecology, Pamela Youde Nethersole Eastern Hospital, Hong Kong SAR, China |
