[1] Ontario Inst Canc Res, Toronto, ON, Canada
[2] Beatson W Scotland Canc Ctr, Dept Oncol, Glasgow, Lanark, Scotland
[3] Univ Warwick, Warwick Med Sch, Warwick Clin Trials Unit, Coventry CV4 7AL, W Midlands, England
[4] Univ Edinburgh, Dept Med Oncol, Edinburgh, Midlothian, Scotland
[5] NHS Lothian, Edinburgh, Midlothian, Scotland
[6] Univ Bristol, Sch Social & Community Med, Bristol, Avon, England
[7] Addenbrookes Hosp, Dept Oncol, Cambridge, England
[8] Queen Elizabeth Hosp, Univ Hosp Birmingham, Dept Breast Surg Oncol, Birmingham B15 2TH, W Midlands, England
[9] Univ Leeds, Leeds Inst Hlth Sci, Acad Unit Hlth Econ, Leeds, W Yorkshire, England
[10] St Marys Hosp, London, England
[11] Mt Vernon Hosp, Dept Clin Oncol, Northwood HA6 2RN, Middx, England
[12] Independent Canc Patients Voice, London, England
[13] Dept Emergency Med Res, Edmonton, AB, Canada
[14] Kings Coll London, Div Canc Studies, Guys Hosp, London WC2R 2LS, England
[15] Univ Hosp Coventry & Warwickshire, Arden Canc Ctr, Coventry, W Midlands, England
[16] Univ Birmingham, Sch Canc Sci, Birmingham, W Midlands, England
[17] Univ Warwick, Warwick Med Sch, Coventry, W Midlands, England
[18] UCL Hosp, Dept Oncol, London NW1 2PG, England
[19] UCLH UCL NIHR Biomed Res Ctr, London, England