1. Department of Urology; Suluova State Hospital; Amasya Turkey
2. Department of Anesthesiology; University of Istanbul; Cerrahpaşa School of Medicine; Fatih Istanbul Turkey 34300
3. Department of Public Health; University of Istanbul; Cerrahpaşa School of Medicine; Fatih Istanbul Turkey 34300
4. Department of Urology; Palandoken State Hospital; Erzurum Turkey
5. Department of Urology; University of Istanbul; Cerrahpaşa School of Medicine; Fatih Istanbul Turkey 34300