1 Department of Human Anatomy, School of Basic Medical Sciences, Southwest Medical University, No.1, Section 1, Lingxiang Road, Matan Long District, Luzhou, Libo Xie, 646000, Sichuan, People's Republic of China.
2 Department of Urology, Sichuan Clinical Research Center for Nephropathy, the Affiliated Hospital of Southwest Medical University, Southwest Medical University, Luzhou, 646000, Sichuan, People's Republic of China.
3 Department of Human Anatomy, School of Basic Medical Sciences, Southwest Medical University, No.1, Section 1, Lingxiang Road, Matan Long District, Luzhou, Libo Xie, 646000, Sichuan, People's Republic of China. cb0402022@swmu.edu.cn.