[1] Univ Cambridge, Dept Oncol, Cambridge, England
[2] NIHR Cambridge Biomed Res Ctr, Cambridge, England
[3] Univ Warwick, Warwick Clin Trials Unit, Coventry CV4 7AL, W Midlands, England
[4] Cambridge Univ Hosp NHS Fdn Trust, Cambridge Canc Trials Ctr, Cambridge, England
[5] Univ Edinburgh, Edinburgh, Midlothian, Scotland
[6] Univ Edinburgh, Edinburgh Canc Res Ctr, Endocrine Canc Grp, Edinburgh, Midlothian, Scotland
[7] SA Hlth Author, Adelaide, SA, Australia
[8] Western Gen Hosp, Edinburgh EH4 2XU, Midlothian, Scotland