1. Division of Urology, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan.
2. Institute of Biomedical Science, National Sun Yat-Sen University, Kaohsiung, Taiwan.
3. Division of Uro-Oncology, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan.
4. Department of Pathology, Chi Mei Medical Center, Tainan, Taiwan.
5. Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan.
6. Department of Urology, Mackay Memorial Hospital, Taipei, Taiwan.