[1] Kaohsiung Med Univ, Coll Med, Grad Inst Clin Med, Kaohsiung 80708, Taiwan
[2] Kaohsiung Med Univ Hosp, Dept Urol, Kaohsiung 80756, Taiwan
[3] Kaohsiung Med Univ, Sch Med, Dept Urol, Coll Med, Kaohsiung 80708, Taiwan
[4] Kaohsiung Municipal Tatung Hosp, Dept Urol, Kaohsiung 80145, Taiwan
[5] Johns Hopkins Univ, Sch Med, James Buchanan Brady Urol Inst, Dept Urol, Baltimore, MD 21287 USA
[6] Johns Hopkins Univ, Sch Med, James Buchanan Brady Urol Inst, Dept Oncol, Baltimore, MD 21287 USA
[7] Univ Texas Southwestern Med Ctr Dallas, Dept Urol, Dallas, TX 75390 USA
[8] Pingtung Hosp, Minist Hlth & Welf, Dept Urol, Pingtung 90054, Taiwan
[9] Kaohsiung Med Univ Hosp, Dept Med Res, Kaohsiung 80756, Taiwan
[10] Kaohsiung Med Univ, Coll Med, Grad Inst Med, Kaohsiung 80708, Taiwan
[11] Kaohsiung Med Univ, Coll Med, Sch Med, Dept Biochem, Kaohsiung 80708, Taiwan
[12] Kaohsiung Med Univ Hosp, Dept Pathol, Kaohsiung 80756, Taiwan
[13] Kaohsiung Med Univ, Sch Med, Dept Pathol, Coll Med, Kaohsiung 80708, Taiwan
[14] Kaohsiung Med Univ, Coll Med, Sch Med, Dept Publ Hlth & Environm Med, Kaohsiung 80708, Taiwan