[1] Univ Valle, Sch Med, Dept Surg, UROGIV Res Grp, Cali, Colombia
[2] H Lee Moffitt Canc Ctr & Res Inst, Dept Genito Urinary Oncol, Tampa, FL USA
[3] H Lee Moffitt Canc Ctr & Res Inst, Dept GU Oncol & Tumor Biol, Tampa, FL USA
[4] Univ S Florida, Urol & Oncol, Tampa, FL USA
[5] Univ Valle, Sch Med, Dept Surg, Div Urol Urooncol, Cali, Colombia