1 Department of Gynecology, Suzhou Ninth Hospital Affiliated to Soochow University, 2666 Ludang Road, Wujiang District, Suzhou, 215200, Jiangsu Province, China. shen_yicheng@outlook.com.
2 Department of Urology, Jinshan District Central Hospital Affiliated to Shanghai University of Medicine & Health Sciences, 147 Jiangkang Road, Shanghai, Jinshan District, China.