Demirhan O. Demir, Department of Urology, Karabuk University, Karabuk. Turkey
Omer Gokhan-Doluoglu, Department of Urology, Ankara Training and Research Hospital, Ankara, Turkey
Ali K. Yildiz, Department of Urology, Ankara City Hospital, Ankara, Turkey
Turgay Kacan, Department of Urology, Ankara Bilkent City Hospital, Ankara, Turkey
Veli M. Yazar, Department of Urology, Clinic of Ankara Training and Research Hospital, University of Medical Sciences, Ankara, Turkey
Arif Demirbas, Department of Urology, Clinic of Ankara Training and Research Hospital, University of Medical Sciences, Ankara, Turkey
Berat C. Ozgur, Department of Urology, Ankara Training and Research Hospital, Ankara, Turkey