[1] Royal Marsden Hosp, London SW3 6JJ, England
[2] Beatson West Scotland Canc Ctr, Glasgow, Lanark, Scotland
[3] Hop St Andre CHU, Bordeaux, France
[4] Hannover Med Sch, D-30623 Hannover, Germany
[5] Inst M Sklodowskiej Curie, Ctr Onkol, Warsaw, Poland
[6] IRCCS Ctr Rif Oncol, Pordenone, Italy
[7] Bayer HealthCare, Wuppertal, Germany
[8] Bayer, Leverkusen, Germany
[9] IRCCS Policlin San Matteo, Pavia, Italy