1. Department of Radiology, Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, Ankara, Turkey

2. Department of Urology, Karaelmas University School of Medicine, Zonguldak, Turkey

3. Department of Biostatistics, Çukurova University School of Medicine, Adana, Turkey

4. Department of Radiology, Karaelmas University School of Medicine, Zonguldak, Turkey

5. Department of Radiology, Harran University School of Medicine, Şanlıurfa, Turkey

6. From the Department of Radiology, Gazi University School of Medicine, Ankara, Turkey