1. Department of Continence Medicine, University of Tokyo Graduate School of Medicine, Tokyo, Japan
2. Urological Research Institute, San Raffaele University, Milan, Italy
3. Department of Clinical Pharmacology, Linköping University, Linköping, Sweden
4. Department of Urology, Ludwig-Maximilians-University, Munich, Germany
5. Department of Urology, University of Tokyo Graduate School of Medicine, Tokyo, Japan