[1] Inst Canc Res, Sutton, England
[2] Royal Marsden NHS Fdn Trust, Sutton, England
[3] Christie NHS Fdn Trust, Manchester, England
[4] Austin Hlth, Heidelberg, Vic, Australia
[5] Clatterbridge Canc Ctr, Bebington, England
[6] Christchurch Hosp, Canterbury Reg Canc & Haematol Serv, Christchurch, New Zealand
[7] Univ Coll Hosp, London, England
[8] Univ Coll Hosp, Univ Coll Hosp NHS Fdn Trust, London, England
[9] Lancashire Teaching Hosp NHS Fdn Trust, Royal Preston Hosp, Rosemere Canc Ctr, Preston PR2 9HT, Lancs, England
[10] Univ Manchester, Manchester, England
[11] Univ Cent Lancashire, Preston, England
[12] Royal Devon & Exeter NHS Fdn Trust, Royal Devon & Exeter Hosp, Exeter, England
[13] Univ Leeds, Leeds, England
[14] St James Univ Hosp, Leeds Teaching Hosp NHS Trust, Leeds, England
[15] Western Gen Hosp, NHS Lothian, Edinburgh, Scotland
[16] Royal Sussex Cty Hosp, Brighton & Sussex Univ Hosp NHS Trust, Brighton, England
[17] Sir Charles Gairdner Hosp, Nedlands, WA, Australia
[18] Mt Vernon Hosp, Natl Radiotherapy Trials Qual Assurance Grp RTTQA, Northwood, England
[19] Peter Maallum Canc Ctr, Melbourne, Vic, Australia
[20] TROG Canc Res, Waratah, NSW, Australia