[1] Inst Canc Res, London, England
[2] Royal Marsden Hosp NHS Fdn Trust, Joint Dept Phys, London, England
[3] Royal Surrey Cty Hosp, Med Phys, Guildford, Surrey, England
[4] Univ Cambridge, Oxford, England
[5] Addenbrookes Hosp, Canc Res UK, VoxTox Res Grp, Dept Oncol, Oxford, England
[6] Amsterdam UMC, Dept Oncol, Amsterdam, Netherlands
[7] Radboud Univ Nijmegen, Med Ctr, Dept Radiat Oncol, Nijmegen, Netherlands
[8] Dattwil AG, Varian Med Syst Imaging Lab GmbH, Appl Res, Baden, Switzerland
[9] MIM Software Inc, Cleveland, OH USA
[10] Haukeland Hosp, Dept Oncol & Med Phys, Bergen, Norway
[11] IEO European Inst Oncol, Unit Radiat Res, Milan, Italy
[12] Unppsala Univ, Uppsala, Sweden
[13] Elekta Instruments AB, Dept Immunol Genet & Pathol, Uppsala, Sweden
[14] Unppsala Univ, Stockholm, Sweden
[15] Elekta Instruments AB, Dept Immunol Genet & Pathol, Stockholm, Sweden
[16] Consorcio Hosp Gen Univ Valencia, Serv Radiofis & Protecc Radiol, Valencia, Spain
[17] Consorcio Hosp Prov Castellon, Serv Radiofis & Protecc Radiol, Castellon de La Plana, Spain
[18] Univ Manchester, Div Canc Sci, Sch Med Sci, Manchester, Lancs, England
[19] Erasmus MC Canc Inst, Dept Radiat Oncol, Rotterdam, Netherlands