1. Department of Urology, The First Affiliated Hospital of Nanchang University, Jiangxi Institute of Urology, Nanchang, Jiangxi 330006, P.R. China
2. Jiangxi Provincial Key Lab of System Biomedicine, Jiujiang University, Jiujiang, Jiangxi 332000, P.R. China
3. Department of Urology, Jiujiang No. 1 People's Hospital (Affiliated Jiujiang Hospital of Nanchang University), Jiujiang, Jiangxi 332000, P.R. China