Department of Urology, Lichuan People's Hospital, Lichuan, China
Qian Yang
Department of Gastroenterology, Guizhou Provincial People's Hospital, Guiyang, China
Peng Zhang
Corresponding author. Department of Urology, Guizhou Provincial People's Hospital, 550000, No.52 Zhongshan East Road, Yunyan District, Guiyang City, Guizhou Province, China.; Department of Urology, Guizhou Provincial People's Hospital, Guiyang, China