[1] Royal Marsden Hosp, Sarcoma Unit, London SW3 6JJ, England
[2] UCL, Inst Canc, Dept Oncol, London, England
[3] Queen Mary Univ London, Barts Canc Inst, London EC1M 6BQ, England
[4] Canc Res UK, London Res Inst, Prot Phosphorylat Lab, London WC2A 3LY, England
[5] Kings Coll London, Div Canc Studies, London SE1 1UL, England