Bohris C, Stief CG, Strittmatter F.
Dornier MedTech Systems , Wessling, Germany .
Department of Urology, University Hospital Grosshadern, Ludwig-Maximilians-University , Munich, Germany.

Kaynar M, Tekinarslan E, Keskin S, Buldu İ, Sönmez MG, Karatag T, Istanbulluoglu MO.
Department of Urology, Selcuk University, Faculty of Medicine, Konya, Turkey.
Department of Urology, Konya Education and Research Hospital, Konya, Turkey.
Department of Radiology, Necmettin Erbakan University, Faculty of Medicine, Konya, Turkey.
Department of Urology, Mevlana University, Faculty of Medicine, Konya, Turkey.
Medical Park Ankara Hospital, Ankara, Turkey.
Department of Urology, Faculty of Medicine, Mevlana University, Konya, Turkey.

Cho KS, Jung HD, Ham WS, Chung DY, Kang YJ, Jang WS, Kwon JK, Choi YD, Lee JY.
Department of Urology, Gangnam Severance Hospital, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea.
Department of Urology, Incheon Red Cross Hospital, Incheon, Korea.
Department of Urology, Severance Hospital, Urological Science Institute, Yonsei University College of Medicine, Seoul, Korea.
Department of Urology, Severance Check-Up, Yonsei University Health System, Seoul, Korea.

Kilinc MF, Doluoglu OG, Karakan T, Dalkilic A, Sonmez NC, Aydogmus Y, Resorlu B.
Department of Urology, Ankara Training and Research Hospital, Ankara, Turkey,
Department of Urology, Sisli Hamidiye Etfal Training and Research Hospital, Istanbul, Turkey,
Department of Urology, Etimesgut Military Hospital, Ankara, Turkey,
Department of Urology, 18 Mart University, Canakkale, Turkey.

Tsakaldimis G, Bantis A, Zissimopoulos A, Kalaitzis C, Gianakopoulos S, Pitiakoudis M, Polichronidis A, Touloupidis S.
Urology Department, University Hospital of Alexandroupolis, PC 68100, Alexandroupolis, Greece.