1 Department of Urology, Ma'anshan People's Hospital, Ma'anshan, Anhui, China.
2 Department of Urology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.
3 Department of Urology, Nantong Hospital of Traditional Chinese Medicine, Nantong, Jiangsu, China.
4 Department of Urology, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu, China.
5 Department of Urology, Nanjing First Hospital Affiliated to Nanjing Medical University, Nanjing, Jiangsu, China. Electronic address: ruipengj@163.com.