1. Division of Urology, Department of Surgery and Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
2. Division of Urology, Department of Surgery, Chi Mei Medical Center, Tainan, Taiwan
3. Department of Urology, National Yang-Ming University, School of Medicine, Taipei, Taiwan, R.O.C.
4. Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
5. MacKay Memorial Hospital, Taipei, Taiwan, R.O.C.
6. Chang-hua Christian Hospital, Taipei, Taiwan, R.O.C.
7. Department of Pathology, Chi Mei Medical Center, Tainan, Taiwan