1. Department of Radiation Oncology Memorial Sloan Kettering Cancer Center New York New York
2. Ligue Nationale Contre le Cancer Meta‐Analysis Plateform, Service de Biostatistique et d'Epidémiologie, Gustave Roussy Université Paris‐Saclay Villejuif France
3. Centre d'Etude des Supports de Publicite, Institut National de la Santé et de la Recherche Médicale U1018, Université Paris SudUniversité Paris‐Saclay Villejuif France
4. Department of Radiation Medicine and Applied Sciences University of California San Diego La Jolla California
5. Department of Radiation Oncology Stanford University School of Medicine Stanford California
6. Radiation Oncology Department Centre Léon Bérard Lyon France
7. Department of Experimental Clinical Oncology Aarhus University Hospital Aarhus Denmark
8. Cancer Research United Kingdom and University College London Cancer Trials Centre, Cancer Institute, University College London Hospital London United Kingdom
9. Department of Radiation Sciences–Oncology Umeå University Umeå Sweden
10. Medical Research Council Clinical Trials Unit University College London London United Kingdom
11. Yale University New Haven Connecticut
12. Oncology Unit 2 Istituto Oncologico Veneto–IRCCS Padua Italy
13. Department of Radiation Oncology IRCCS Regina Elena National Cancer Institute Rome Italy
14. Department of Radiation Oncology Princess Margaret Cancer Centre University of Toronto Toronto Ontario Canada
15. Headquarters, European Organisation for Research and Treatment of Cancer Brussels Belgium
16. Department of Radiotherapy Centre Hospitalier Universitaire Vaudois Lausanne Switzerland
17. NRG Oncology Statistics and Data Management Center American College of Radiology Philadelphia Pennsylvania