About the Authors

Zhigang Zhao

Affiliation Department of Urology & Andrology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical College, Guangdong Provincial Key Laboratory of Urology, Guangzhou, Guangdong Province, China

Jingwei Zhang

Affiliation Department of Urology & Andrology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical College, Guangdong Provincial Key Laboratory of Urology, Guangzhou, Guangdong Province, China

Jun He

Affiliation Department of Urology & Andrology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical College, Guangdong Provincial Key Laboratory of Urology, Guangzhou, Guangdong Province, China

Guohua Zeng

zgzhaodr@yahoo.com.cn

Affiliation Department of Urology & Andrology, Minimally Invasive Surgery Center, The First Affiliated Hospital of Guangzhou Medical College, Guangdong Provincial Key Laboratory of Urology, Guangzhou, Guangdong Province, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZZ GZ. Performed the experiments: JZ JH GZ. Analyzed the data: GZ. Wrote the paper: ZZ.