[1] Christie NHS Fdn Trust, Dept Clin Oncol, Manchester, Lancs, England
[2] Guys & St Thomas NHS Fdn Trust, Dept Clin Oncol, London, England
[3] St Jamess Inst Oncol, Dept Clin Oncol, Leeds, W Yorkshire, England
[4] Guys & St Thomas Hosp NHS Trust, Dept Oncol, London, England
[5] Royal Marsden NHS Fdn Trust, Dept Clin Oncol, London, England
[6] Royal Preston Hosp, Dept Clin Oncol, Rosemere Canc Ctr, Preston, Lancs, England
[7] Univ Manchester, Div Canc Sci, Manchester, Lancs, England