[1] Mem Sloan Kettering Canc Ctr, New York, NY USA
[2] Netherlands Canc Inst, Amsterdam, Netherlands
[3] Niigata Univ, Grad Sch Med & Dent Sci, Niigata, Japan
[4] Hosp Sirio Libanes, Buenos Aires, DF, Argentina
[5] Bradford Hill, Santiago, Chile
[6] Ctr Hosp Univ, Bordeaux, France
[7] Fdn Policlin Univ Agostino Gemelli IRCCS, Rome, Italy
[8] Palacky Univ, Med Sch, Olomouc, Czech Republic
[9] Teaching Hosp, Olomouc, Czech Republic
[10] Inst Cancerol Strasbourg Europe, Strasbourg, France
[11] Hosp 1ro Octubre, Mexico City, DF, Mexico
[12] Northwestern Univ, Med Ctr, Chicago, IL USA
[13] Jena Univ Hosp, Jena, Germany
[14] ICON Res, South Brisbane, Qld, Australia
[15] Hosp Univ Vall dHebron, Vall dHebron Barcelona Hosp Campus, Vall dHebron Inst Oncol VHIO, Barcelona, Spain
[16] Vancouver Canc Ctr, BC Canc, Vancouver, BC, Canada
[17] Bristol Myers Squibb, Princeton, NJ USA
[18] Univ Hosp Essen, West German Canc Ctr Essen, Clin Internal Med Tumor Res, Essen, Germany
[19] Univ Hosp Essen, West German Canc Ctr Essen, Clin Urol, Essen, Germany