de Cógáin M, Krambeck AE, Rule AD, Li X, Bergstralh EJ, Gettman MT, Lieske JC
Department of Urology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA

Knoll T, Fritsche HM, Rassweiler J
Urologische Klinik, Klinikum Sindelfingen-Böblingen, Universität Tübingen

Srivastava A, Bansal R, Srivastava A, Chaturvedi S, Ranjan P, Ansari MS, Yadav A, Kapoor R
Department of Urology and Renal Transplant, SGPGIMS, Lucknow, India

Philippou P, Moraitis K, Masood J, Junaid I, Buchholz N
Endourology & Stone Services, Barts and The London NHS Trust, West Smithfield, London, UK

Nakamura K, Tobiume M, Narushima M, Yoshizawa T, Nishikawa G, Kato Y, Katsuda R, Zennami K, Aoki S, Yamada Y, Honda N, Sumitomo M
Department of Urology, Aichi Medical University School of Medicine Nagakute, Aichi 480-1195, Japan