[1] Sci Inst Res & Hlth Care IRCCS Casa Sollievo dell, Div Med Oncol, San Giovanni Rotondo, Italy
[2] Christie NHS Fdn Trust, Dept Med Oncol, Manchester, Lancs, England
[3] Sapienza Univ Rome, Dept Radiol Pathol & Oncol Sci, Rome, Italy
[4] Manchester Univ NHS Fdn Trust, Dept Med Oncol, Manchester, Lancs, England
[5] Univ Manchester, Div Canc Sci, Manchester, Lancs, England