1. The School of Medicine, Cheeloo College of Medicine Shandong University Jinan Shandong China
2. Department of Urology Shandong Provincial Hospital Affiliated to Shandong University Jinan Shandong China
3. Department of Urology Shandong Provincial Hospital Affiliated to Shandong First Medical University Jinan Shandong China
4. Department of Urology People's Hospital of Yiyuan County Zibo Shandong China
5. Department of Urology Lingcheng People's Hospital Dezhou Shandong China