[Zheng, Quan-you; Zhang, Ke-qin; Cao, Zhao-hui] Third Mil Med Univ, Daping Hosp, Inst Surg Res, Dept Urol, Chongqing 400042, Peoples R China.
[Li, Gui-qing; Xu, Gui-lian] Third Mil Med Univ, Dept Immunol, Chongqing, Peoples R China.
[Cao, Zhao-hui; Hu, Xiao-bo] Univ South China, Sch Publ Hlth, Sch Pharm & Biol Sci, Dept Biochem & Mol Biol, Hengyang 421001, Peoples R China.
[Feng, Shao-long] Univ South China, Sch Publ Hlth, Dept Hlth Lab Technol, Hengyang 421001, Peoples R China.