1. Department of Urology, Recep Tayyip Erdoğan University, Rize, Turkey.
2. Department of Urology, Samsun Training and Research Hospital, Samsun, Turkey.
3. Department of Urology, Dicle University, Diyarbakir, Turkey.
4. Department of Microbiology, Samsun Training and Research Hospital, Samsun, Turkey.
5. Department of Urology, Ataturk University, Erzurum, Turkey