[Luo, Zhigang; Liu, Li; Long, Xiangyang; Zhao, Liwen; Wu, Xiaobin; Wang, Binhui; Xu, Wujun; Chen, Xian; Luo, ZG; Chen, X] Univ South China, Dept Urogenital Surg, Affiliated Hosp 2, 35 Jiefang Ave, Hengyang 421001, Hunan, Peoples R China.
[Tang, Yachun] Univ South China, Dept Urogenital Surg, Nanhua Affiliated Hosp, Hengyang, Hunan, Peoples R China.
[Zhao, Xiaofeng] Kramayi Cent Hosp, Dept Urogenital Surg, Kramayi, Xinjiang, Peoples R China.