1 Institute of Urology, Lanzhou University Second Hospital; Key Laboratory of Gansu Province for Urological Diseases; Gansu Nephro-Urological Clinical Center.
2 The First Clinical Medical College of Lanzhou University.
3 The Second Clinical Medical College of Lanzhou University.
4 Medical Experimental Center of Lanzhou University.
5 Institute of Urology, Lanzhou University Second Hospital; Key Laboratory of Gansu Province for Urological Diseases; Gansu Nephro-Urological Clinical Center; wangzplzu@163.com.