Gulum M, Yeni E, Kocyigit A, Taskin A, Savas M, Ciftci H, Altunkol A
Department of Urology, School of Medicine, Harran University, Sanliurfa, Turkey

Pavlović S, Milasinović G, Zivković M
School of Medicine, University of Belgrade

Lucio J 2nd, Korkes F, Lopes-Neto AC, Silva EG, Mattos MH, Pompeo AC
Division of Urology, ABC Medical School, Santo André, SP, Brazil

Philippou P, Lamrani D, Moraitis K, Bach C, Masood J, Buchholz N
Endourology and Stone Services, Department of Urology, Barts and The London NHS Trust, Smithfield, London, EC1A 7BE, UK

Tsuzaka Y, Matsushima H, Kaneko T, Yamaguchi T, Homma Y
Department of Urology, Tokyo Metropolitan Police Hospital Department of Urology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan