1. Department of Urology, Bozyaka Training and Research Hospital, Izmir, Turkey;
2. Department of Urology, Faculty of Medicine, Celal Bayar University, Manisa, Turkey;
3. Department of Urology, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey;
4. Department of Urology, Tepecik Training and Research Hospital, Izmir, Turkey;
5. Department of Urology, Faculty of Medicine, Pamukkale University, Denizli, Turkey;
6. Department of Urology, Dr Suat Seren Chest Diseases and Surgery Training, Research Hospital, İzmir, Turkey;
7. Department of Urology, Esrefpaşa Hospital, Izmir, Turkey