[1] Paterson Inst Canc Res, Clin & Expt Pharmacol, Wilmslow Rd, Manchester M20 4BX, Lancs, England
[2] AstraZeneca, Discovery Med, Macclesfield SK10 4TG, Cheshire, England
[3] Christie Hosp NHS Trust, CRUK Dept Med Oncol, Manchester M20 4BX, Lancs, England
[4] AstraZeneca, Discovery Med, Macclesfield SK10 4TG, Cheshire, England
[5] Paterson Inst Canc Res, Clin & Expt Pharmacol, Manchester M20 4BX, Lancs, England
[6] Christie Hosp NHS Trust, CRUK Dept Med Oncol, Manchester M20 4BX, Lancs, England