1. Kansai Ika Daigaku, 12880, Urology, Osaka city, Shinmachi, 2-3-1, Osaka, Japan, 573-1191;
2. Kanasai Medical University in Japan, Urology, Hirakata city,Osaka, Japan;
3. Osaka Saiseikai Izuo Hospital based on Social Welfare Organization “Saiseikai” Imperial Gift Foundation Inc, Department of Anesthesiology, Osaka, Japan;
4. Osaka Saiseikai Izuo Hospital based on Social Welfare Organization “Saiseikai” Imperial Gift Foundation Inc, Department of Urology, Osaka, Japan;
5. Kansai Medical University, Department of Urology and Andrology, Shinmachi 2-5-1, Hirakata, Osaka, Japan, 573-1010, , ;