[1] Ankara Univ, Dept Med Oncol, Sch Med, Ankara, Turkey
[2] Ankara Univ, Canc Res Inst, Ankara, Turkey
[3] Univ Sheffield, Acad Unit Oncol, Sheffield, S Yorkshire, England
[4] Harvard Med Sch, Dana Farber Canc Inst, Dept Med Oncol, Lank Ctr Genitourinary Oncol, Boston, MA 02115 USA
[5] Hosp Univ 12 Octubre, Med Oncol Dept, Madrid, Spain
[6] Hacettepe Univ, Canc Inst, Ankara, Turkey
[7] Skane Univ Hosp, Dept Med & Radiat Oncol, Lund, Sweden
[8] Univ Calif San Diego, Moores Canc Ctr, La Jolla, CA 92093 USA
[9] Icahn Sch Med Mt Sinai, Tisch Canc Inst, New York, NY 10029 USA
[10] BP A Beneficencia Portuguesa Sao Paulo, Clin Oncol Dept, Sao Paulo, Brazil
[11] Gustave Roussy Canc Campus, Dept Med Oncol, Villejuif, France
[12] Univ Miami, Miller Sch Med, Sylvester Comprehens Canc Ctr, Div Hematol & Med Oncol,Dept Med, Miami, FL 33136 USA
[13] Univ Sheffield, Acad Urol Unit, Sheffield, S Yorkshire, England
[14] Lausanne Univ, Oncol Dept, Ctr Hosp Univ Vaudois, Lausanne, Switzerland