[1] Yale Univ, Smilow Canc Hosp, New Haven, CT USA
[2] Carolina Urol Res Ctr, Myrtle Beach, SC USA
[3] Inst Mutualiste Montsouris, Paris, France
[4] Hop Foch, Suresnes, France
[5] Catalan Canc Inst, Barcelona, Spain
[6] Merck & Co Inc, Kenilworth, NJ USA
[7] Gustave Roussy, Villejuif, France