2Department of Urology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, R.O.C.
3Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, R.O.C.
4Department of Urology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, R.O.C.
5Center for Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan, R.O.C.