[1] Diskapi Yildirim Beyazid Training & Res Hosp, Dept Urol, Irfan Bastug St, TR-06110 Ankara, Turkey
[2] Dicle Univ, Dept Urol, Fac Med, Diyarbakir, Turkey
[3] Minist Hlth, Dr Sami Ulus Matern Childrens Hlth & Dis Training, Dept Urol, Ankara, Turkey
[4] Urol Residency Training Program, Dept Urol, Ankara, Turkey