1. Molecular Biology Laboratory of Andrology Center; Peking University First Hospital; Peking University; Beijing China
2. Department of Urology; Beijing Chao-Yang Hospital; Capital Medical University; Beijing China
3. Department of Urology; First Hospital Affiliated to Chinese; PLA General Hospital; Beijing China
4. Department of Urology; General Hospital of Ningxia Medical University; Ningxia Medical University; Ningxia China