[1] Sun Yat Sen Univ, Affiliated Hosp 3, Dept Infertil & Sexual Med, Guangzhou 510631, Guangdong, Peoples R China
[2] S China Normal Univ, Sch Informat & Optoelect Sci & Engn, Guangzhou 510006, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Affiliated Hosp 3, Dept Urol, Guangzhou 510631, Guangdong, Peoples R China
[4] Guangdong Inst Microbiol, Guangzhou 510070, Guangdong, Peoples R China
[5] Gannan Med Univ, Affiliated Hosp 1, Dept Oncol, Ganzhou 341000, Jiangxi, Peoples R China