Department of Urology and Andrology;
The First Affiliated Hospital of Sun Yat-Sen University;
Guangzhou 510000;
China;
Department of Urology and Andrology;
The First Affiliated Hospital of Zhengzheu University;
Zhengzhou 450000;
China;
Center for Male Reproductive Medicine and Microsurgery;
Department of Urology;
Weill Cornell Medicine of Cornell University;
New York;
NY 10065;
USA;
Center for Reproductive Medicine;
Guangdong Provincial Key Laboratory of Reproductive Medicine;
The First Affiliated Hospital of Sun Yat-Sen University;
Guangzhou 510000;
China;