1. Department of Urology Tianjin Medical University General Hospital Tianjin China
2. Department of Reproductive Epidemiology and Social Science NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research) Fudan University Shanghai China
3. Department of Urology The First People’s Hospital of Jiashan Zhejiang China
4. Department of Cell Biology National Research Institute of Family Planning Beijing China
5. Department of Andrology Shanghai general Hospital Shanghai Jiaotong University Shanghai China