[1] Royal Marsden Hosp NHS Trust, Dept Med, London SW3 6JJ, England
[2] MRC, Clin Trials Unit, London, England
[3] Weston Pk Hosp, Sheffield, S Yorkshire, England
[4] Univ Nottingham, Nottingham NG7 2RD, England
[5] Western Infirm & Associated Hosp, Beatson Oncol Ctr, Glasgow G11 6NT, Lanark, Scotland
[6] Univ Birmingham, Canc Res UK Inst Canc Studies, Birmingham, W Midlands, England
[7] QMUL, Barts & London Med Sch, Inst Canc, London, England
[8] Natl Canc Inst, Bratislava, Slovakia
[9] European Org Res & Treatment Canc Headquarters, Brussels, Belgium
[10] Radboud Univ Nijmegen, Med Ctr, NL-6525 ED Nijmegen, Netherlands