1. Division of Bioengineering and LUTD Research; School of Engineering, Nihon University; Koriyama Japan
2. Department of Human Arts Sciences; University and Graduate School of Human Arts Sciences; Saitama Japan
3. Department of Continence Medicine; The University of Tokyo Graduate School of Medicine; Tokyo Japan
4. Department of Urology; University of Yamanashi; Yamanashi Japan
5. Department of Urology; Shinshu University; Matsumoto Japan
6. Astellas Pharma Inc; Tokyo Japan