¹Hacettepe University, Faculty of Medicine, Department of Radiation Oncology, Ankara, Turkey

(1)Cantonal Hospital St. Gallen, Radiation Oncology, St. Gallen, Switzerland;(2)Swiss Group for Clinical Cancer Research Coordinating Centre and University of Basel, Institute of Pharmaceutical Medicine, Bern and Basel, Switzerland;(3)Cantonal Hospital Lucerne, Medical Oncology, Lucerne, Switzerland;(4)National Institute for Cancer Epidemiology and Registration NICER, Statistics, Zurich, Switzerland;(5)University Hospital Zurich, Gynecology, Zurich, Switzerland;(6)University Hospital Bern, Radiation Oncology, Bern, Switzerland;(7)Cantonal Hospital St. Gallen and University Bern, Radiation Oncology, St. Gallen and Bern, Switzerland;(8)Cantonal Hospital Lucerne and University Bern, Medical Oncology, Lucerne and Bern, Switzerland;(9)University of Basel, Institute of Pharmaceutical Medicine, Basel, Switzerland;

¹University Hospital Zürich, Radiation Oncology, Zürich, Switzerland; ²Ghent University Hospital, Radiation Oncology, Ghent, Belgium; ³Universitätsklinikum Augsburg, Radiation Oncology, Augsburg, Germany; ⁴University Medical Center Utrecht, Radiation Oncology, Utrecht, The Netherlands; ⁵Amsterdam Univerisity Medical Center, Radiation Oncology, Amsterdam, The Netherlands; ⁶University Medical Center Schleswig-Holstein, Radiation Oncology, Kiel, Germany; ⁷Technische Universität Dresden, Radiation Oncology, Dresden, Germany; ⁸Kantonsspital Aarau , Radiation Oncology Center KSA-KSB, Aarau, Switzerland; ⁹Charité-University Hospital Berlin, Radiation Oncology, Berlin, Germany; ¹⁰Vall d'Hebron University Hospital, Radiation Oncology, Barcelona, Spain; ¹¹Technical University Munich, Radiation Oncology, Munich, Germany; ¹²Schwarzwald-Baar Klinikum, Radiation Oncology, Villingen-Schwenningen, Germany; ¹³Klinikum Stuttgart, Radiation Oncology, Stuttgart, Germany; ¹⁴University of Freiburg, Radiation Oncology, Freiburg, Germany; ¹⁵Instituut Verbeeten, Radiation Oncology, Tilburg, The Netherlands; ¹⁶Ordensklinikum Linz, Radiation Oncology, Linz, Austria; ¹⁷Catharina Hospital, Radiation Oncology, Eindhoven, The Netherlands; ¹⁸Peter MacCallum Cancer Centre, Radiation Oncology, Melbourne, Australia; ¹⁹University Hospital Frankfurt, Frankfurt, Frankfurt, Germany; ²⁰University Hospital Jena, Radiation Oncology, Jena, Germany; ²¹University Hospital Würzburg, Radiation Oncology, Würzburg, Germany; ²²University Hospital Tübingen, Radiation Oncology, Tübingen, Germany; ²³Philipps-University Marburg, Radiation Oncology, Marburg, Germany; ²⁴Univerisity Hospital Zürich, Radiation Oncology, Zürich, Switzerland

¹Radboudumc, Radiation Oncology, Nijmegen, The Netherlands; ²Maastricht University, School for Public Health and Primary Care (CAPHRI), Maastricht, The Netherlands

(1)University hospitals Leuven, Radiotherapy-Oncology, Leuven, Belgium;(2)Jules Bordet Institute, Medical Physics Department, Brussels, Belgium;(3)University hospitals Leuven, Medical Imaging research centre, Leuven, Belgium;

(1)Radboud University Medical Center, Radiology and Nuclear Medicine, Nijmegen, The Netherlands;(2)Radboud University Medical Center, Radation Oncology, Nijmegen, The Netherlands;(3)Utrecht University, Cell Biology- Department of Biology- Science FacultyUtrecht, Utrecht, The Netherlands;

(1)Queen's Hospital- Barking Havering and Redbridge Hospitals NHS Trust, Radiotherapy, Romford, United Kingdom;

(1)LMU University Hospital Grosshadern, Department of Radiation Oncology, Munich, Germany;