1. Department of Urology, Kocaeli University School of Medicine, Eski İstanbul Yolu 10. Km., 41380, İzmit/Kocaeli, Turkey
2. Department of Urology, Derince Training and Research Hospital, İbnisina Mahallesi, SSK Hst., 41900 Derince/Kocaeli, Turkey
3. Department of Biochemistry, Kocaeli University School of Medicine, Eski İstanbul Yolu 10. Km., 41380, İzmit/Kocaeli, Turkey
4. Department of Pathology, Kocaeli University School of Medicine, Eski İstanbul Yolu 10. Km., 41380, İzmit/Kocaeli, Turkey