Alan J. Wein, MD, PhD(hon), FACS Founders Professor and Chief of Urology, Director, Urology Residency Program, University of Pennsylvania Health System, Perelman School of Medicine, Perelman Center for Advanced Health, Philadelphia, PA, USA. Karl-Erik Andersson, MD, PhD AIAS, Aarhus Institute of Advanced Studies Aarhus University, Aarhus, Denmark. Marcus Drake, MA (Cantab), DM (Oxon), FRCS(Urol) University of Bristol and Bristol Urological Institute, Bristol, United Kingdom. Roger R. Dmochowski, MD, MMHC Vanderbilt University Medical Center, Department of Urologic Surgery, Nashville, TN, USA.