El-Halwagy S, Osman Y, Sheir KZ
Urology and Nephrology Center, Mansoura University, Mansoura, Egypt

Duryea AP, Roberts WW, Cain CA, Hall TL
Biomedical Engineering Department, University of Michigan, Ann Arbor, USA

Scales CD Jr
Robert Wood Johnson Foundation/VA Clinical Scholars, Departments of Urology and Internal Medicine, David Geffen School of Medicine, UCLA, 10940 Wilshire Blvd, Suite 710, Los Angeles, CA 90024, USA

Sarkissian C, Noble M, Li J, Monga M
Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, OH 44195, USA

Saxena S, Sadideen H, Goldsmith D
Department of Nephrology and Transplantation, Guy's and St. Thomas' NHS Foundation Trust, London, UK