[1] Sec Oncol Urol Med Oncol, Perugia, Italy
[2] Hosp Mar, Barcelona, Spain
[3] Ctr Leon Berard, F-69373 Lyon, France
[4] Palack Univ, Sch Med, Teaching Hosp, Dept Oncol, Olomouc, Czech Republic
[5] CHU Bordeaux, Hop St Andre, Bordeaux, France
[6] F Hoffmann La Roche Ltd, PBMO, Basel, Switzerland
[7] Inst Gustave Roussy, Dept Med, Villejuif, France