[1] Oxford Univ Hosp NHS Fdn Trust, Dept Oncol, Oxford, England
[2] Oxford Univ Hosp NHS Fdn Trust, Dept Radiol, Oxford, England
[3] Oxford Univ Hosp NHS Fdn Trust, Dept Pathol, Oxford, England
[4] Mt Vernon Canc Ctr, Dept Med Oncol, Northwood HA6 2RN, Middx, England
[5] Royal Berkshire NHS Fdn Trust, Dept Oncol, Reading, Berks, England
[6] Mt Vernon Canc Ctr, Dept Radiol, Paul Strickland Scanner Ctr, Northwood HA6 2RN, Middx, England
[7] Oxford Univ Hosp NHS Fdn Trust, Dept Urol & Surg, Oxford, England