1. Reproductive Medicine and Prenatal Diagnosis Centre Division of Prenatal Diagnosis The University of Hong Kong‐Shenzhen Hospital Shenzhen China
2. Reproductive Medicine and Prenatal Diagnosis Centre Division of Reproductive Medicine The University of Hong Kong‐Shenzhen Hospital Shenzhen China
3. Department of Obstetrics and Gynaecology Li Ka Shing Faculty of Medicine The University of Hong Kong Hong Kong SAR China