Affiliations

• ¹ Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark. Electronic address: jaspernijkamp@clin.au.dk.
• ² Department of Radiation Oncology, Medical University of Vienna, Vienna, Austria.
• ³ Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK; The Christie NHS Foundation Trust, Manchester, UK.
• ⁴ Section for Biomedical Physics, Department of Radiation Oncology, University of Tübingen, Tübingen, Germany.
• ⁵ Institute of Medical Physics, School of Physics, University of Sydney, NSW 2006, Australia; Radiotherapy Research Group, Leeds Institute of Medical Research, St James's Hospital and University of Leeds, Leeds, UK.
• ⁶ Department of Clinical Medicine, Aarhus University, Aarhus, Denmark; Danish Centre for Particle Therapy, Aarhus University Hospital, Aarhus, Denmark.
• ⁷ Department of Radiation Oncology, the Netherlands Cancer Institute, Amsterdam, the Netherlands; Department of Radiation Oncology, Leiden University Medical Center, Leiden, the Netherlands.