1. Department of Obstetrics and Gynaecology The Chinese University of Hong Kong Hong Kong
2. Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics The First Affiliated Hospital of Zhengzhou University Zhengzhou
3. Reproduction and Development, Li Ka Shing Institute of Health Sciences The Chinese University of Hong Kong Hong Kong
4. School of Biomedical Sciences The Chinese University of Hong Kong Hong Kong
5. Chinese University of Hong Kong‐Sichuan University Joint Laboratory in Reproductive Medicine The Chinese University of Hong Kong Hong Kong