1. Department of Andrology, Center for Men's Health, Shanghai General Hospital Shanghai Key Lab of Reproductive Medicine Shanghai People's Republic of China
2. Human Sperm Bank Reproductive and Genetic Hospital of CITIC‐Xiangya Changsha Hunan People's Republic of China
3. Reproductive Medicine Center, Xiangya Hospital Central South University Changsha Hunan People's Republic of China
4. Institute of Reproductive and Stem Cell Engineering, Basic Medicine College Central South University Changsha Hunan People's Republic of China