1. Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
2. Institute of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
3. Department of Reproductive Medicine, the First People’s Hospital of Yunnan Province, Kunming, Yunnan, China
4. Department of Urology, Xuzhou Central Hospital, Xuzhou, Jiangsu, China