1. Clinic of Reproductive Medicine Jiangmen Central Hospital Jiangmen China
2. Center of Assisted Reproduction and Embryology The University of Hong Kong‐Shenzhen Hospital Shenzhen China
3. Department of Obstetrics and Gynaecology Queen Mary Hospital The University of Hong Kong Pokfulam Hong Kong Special Administrative Region China
4. Center of Reproductive Medicine Department of Obstetrics and Gynecology Peking University Third Hospital Beijing China
5. Shenzhen Key Laboratory of Fertility Regulation Department of Obstetrics and Gynecology The University of Hong Kong‐Shenzhen Hospital Shenzhen China