1 Kahramankazan Hamdi Eris State Hospital, Department of Urology, Ankara,Turkey
2 University of Freiburg-Medical Centre, Faculty of Medicine, Department of Urology, Freiburg, Germany
3 University of Health Sciences, Gülhane Training and Research Hospital, Department of Urology, Ankara, Turkey
4 Acıbadem University Ankara Hospital, Department of Urology, Ankara, Turkey
5 Pendik State Hospital,Department of Urology, Istanbul,Turkey
6 Gazi University Faculty of Medicine, Department of Urology, Ankara, Turkey