1. Center of Reproductive Medicine, Shengjing Hospital of China Medical University, Shenyang 110004, China
2. Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang 110004, China
3. Department of Clinical Genetics, Shengjing Hospital of China Medical University, Shenyang 110004, China
4. Department of Urology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing 210012, China.