1. Department of Urology Gulhane Training and Research Hospital University of Health Sciences Ankara Turkey
2. Department of Urology Acıbadem University Ankara Hospital Ankara Turkey
3. Department of Urology Kahramankazan Hamdi Eris State Hospital Ankara Turkey
4. Department of Urology Pendik State Hospital Istanbul Turkey
5. Department of Urology Faculty of Medicine University of Freiburg ‐ Medical Centre Freiburg Germany
6. Department of Urology Necmettin Erbakan University Meram School of Medicine Konya Turkey
7. SLK‐Kliniken Heilbronn Department of Urology University of Heidelberg Heilbronn Germany
8. Department of Urology Gazi University Faculty of Medicine Ankara Turkey