1. Gazi University Faculty of Medicine, Department of Urology, Ankara, Turkey

2. Dokuz Eylül University Faculty of Medicine, Department of Urology, İzmir, Turkey

3. Ankara University Faculty of Medicine, Department of Urology, Ankara, Turkey

4. Afyonkarahisar State Hospital, Clinic of Urology, Afyonkarahisar, Turkey

5. Marmara University Faculty of Medicine, Department of Urology, İstanbul, Turkey