1. Department of Pathology, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City 569-8686, Osaka, Japan
2. Department of Urology, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City 569-8686, Osaka, Japan
3. Translational Research Program, Osaka Medical and Pharmaceutical University, 2-7, Daigaku-machi, Takatsuki City 569-8686, Osaka, Japan
4. Department of Thoracic Surgery, Kansai Medical University, 2-5-1, Shinmachi, Hirakata 573-1010, Osaka, Japan