About the Authors

An-Ping Xiang

Roles Conceptualization, Data curation, Software, Conceptualization, Data curation, Software

anping108@163.com

Affiliation Department of Urology, Yixing People’s Hospital, Yixing, People's Republic of China

Xue-Feng Yuan

Roles Methodology, Writing – original draft

Affiliation Department of Urology, Yixing People’s Hospital, Yixing, People's Republic of China

Zhen-Qian Qin

Roles Formal analysis, Writing – original draft

Affiliation Department of Urology, Yixing People’s Hospital, Yixing, People's Republic of China

Competing Interests

An-Ping Xiang designed the study and drafted and revised the manuscript, Xue-Feng Yuan and Zhen-Qian Qin analyzes the data and draw graphs.