1. From the Department of Urology, University Hospital of Aachen (DB, DR), Aachen, Roche Diagnostics GmbH, Pharma Research Penzberg (RJ, FB), Penzberg, Helios Research and Statistics Center (JL), Berlin and Institute of Pharmacology and Toxicology, Heidelberg University (FB), Mannheim, Germany, and Department of Endocrinology and Metabolism and ANZAC Research Institute, University of Sydney (MS), Sydney, Australia