The Editors Hunter Wessells, MD, FACS, is Professor and Nelson Chair of Urology in the Department of Urology at the University of Washington School of Medicine, Seattle, WA, USA. Shigeo Horie, MD, PhD, is Professor and Chairman in the Department of Urology at Juntendo University Graduate School of Medicine, Tokyo, Japan Reynaldo G. Gómez, MD, FACS, is Chief of Urology at the Hospital del Trabajador, Santiago, Chile.