1. Department of Urology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
2. Department of Urology, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116011, China
3. Department of Radiology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, China
4. The Nursing College of Zhengzhou University, Zhengzhou, Henan 450001, China
5. Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, China