1. Reproductive Medicine Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
2. Biomedical Innovation Center, The Sixth Affiliated Hospital, Sun Yat-Sen University, Guangzhou 510655, China
3. Guangdong Engineering Technology Research Center of Fertility Preservation, Guangzhou 510655, China
4. Department of Andrology, Jinling Hospital, The First School of Clinical Medicine, Southern Medical University, Nanjing 210002, China
5. Department of Urology, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou 570100, China