1. Department of Continence Medicine, University of Tokyo Graduate School of Medicine, Tokyo, Japan
2. Department of Urology, University of Tokyo Graduate School of Medicine, Tokyo, Japan
3. Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, Japan
4. Health Care Center, Toyohashi University of Technology, Aichi, Japan
5. Department of Urology, Yokohama City University Graduate School of Medicine, Yokohama, Japan
6. Institute for Clinical Medicine, Aarhus University, Aarhus, Denmark