1. The James Buchanan Brady Urological Institute, Department of Urology, Johns Hopkins Medical Institutions, Baltimore, Maryland
2. Urological Research Institute, San Raffaele Hospital, Vita-Salute University, Milan, Italy
3. Laboratory of Experimental Urology, University Hospitals Leuven, Leuven, Belgium
4. Department of Urology, Ludwig-Maximilians-University, Munich, Germany
5. Department of Urology, University of Virginia, Charlottesville, Virginia
6. Department of Clinical Pharmacology, Linköping University, Linköping, Sweden