1. Kai-long Liu:
Department of Urology,
The Second Hospital of Hebei Medical University,
No. 215 Heping Xi Road,
Shijiazhuang, Hebei,
050000, China.
2. Xin Wang:
Department of Urology,
The Second Hospital of Hebei Medical University,
No. 215 Heping Xi Road,
Shijiazhuang, Hebei,
050000, China.
3. Chang-bao Qu:
Department of Urology,
The Second Hospital of Hebei Medical University,
No. 215 Heping Xi Road,
Shijiazhuang, Hebei,
050000, China.
4. Jin-Chun Qi:
Department of Urology,
The Second Hospital of Hebei Medical University,
No. 215 Heping Xi Road,
Shijiazhuang, Hebei,
050000, China.