Affiliations

• ¹ University College London Hospitals, 235 Euston Road, London, NW1 2BU, UK. Electronic address: Morag.brothwell@nhs.net.
• ² University of Leeds, UK; Leeds Teaching Hospitals NHS Trust, Leeds, UK.
• ³ University College London Hospitals, London, UK.
• ⁴ The Christie NHS Foundation Trust, Manchester, UK.
• ⁵ Helmholtz-Zentrum Dresden-Rossendorf, Institute of Radiooncology - OncoRay, Dresden, Germany; OncoRay - National Center for Radiation Research in Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; Department of Radiotherapy and Radiation Oncology, Faculty of Medicine and University Hospital Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
• ⁶ University Hospitals Plymouth NHS Trust, Derriford Hospital, Plymouth, UK.
• ⁷ Leeds Cancer Centre, St James's University Hospital, Leeds, UK.