Tauber V, Wohlmuth M, Hochmuth A, Schimetta W, Krause FS.
Department of Urology, AKh Linz, Medical Faculty, Linz, Austria.

Aydin HR, Irkilata L, Aydin M, Daggulli M, Taskin MH, Demirel HC, Adanur S, Moral C, Atilla MK, Sancaktutar AA.
Department of Urology, Recep Tayyip Erdoğan University , Rize, Turkey.
Department of Urology, Samsun Training and Research Hospital , Samsun, Turkey.
Department of Urology, Dicle University , Diyarbakir, Turkey.
Department of Microbiology, Samsun Training and Research Hospital , Samsun, Turkey.
Department of Urology, Ataturk University , Erzurum, Turkey.

Dogan HS, Altan M, Citamak B, Bozaci AC, Karabulut E, Tekgul S.
Department of Urology, Hacettepe University Faculty of Medicine, Ankara, Turkey.
Department of Biostatistics, Hacettepe University Faculty of Medicine, Ankara, Turkey.

Cranfield A, Mathavakkannan S.
The Renal Unit, Lister Hospital Stevenage, Hertfordshire, SG1 4AB, UK.

Raheem OA, Mirheydar HS, Miller DL, Palazzi KL, Chang DC, Sur RL.
Department of Urology, University of California San Diego Health Care System , San Diego, California.