1. State Key Laboratory of Animal Nutrition Institute of Animal Sciences Chinese Academy of Agricultural Sciences Beijing P. R. China
2. College of Life Sciences Qingdao Agricultural University Qingdao P. R. China
3. Urology Department Peking University Shenzhen Hospital Shenzhen P. R. China
4. Fertility Preservation Lab, Reproductive Medicine Center Guangdong Second Provincial General Hospital Guangzhou P. R. China
5. Urology Department Shenzhen University General Hospital Shenzhen P. R. China