1. Joint Department of Physics Institute of Cancer Research and Royal Marsden NHS Foundation Trust London United Kingdom
2. Department of Radiotherapy University Medical Center Utrecht Utrecht Netherlands
3. Department of Physics University of Cambridge Cambridge United Kingdom
4. Cancer Research UK Cambridge Research Institute University of Cambridge Cambridge United Kingdom
5. Department of Medical Biophysics University of Toronto Toronto Ontario Canada
6. Elekta Limited Crawley United Kingdom
7. Faculty of Medicine and Health, Sydney School of Health Sciences, ACRF Image X Institute The University of Sydney Sydney New South Wales Australia
8. Department of Medical Physics, Odette Cancer Centre Sunnybrook Health Sciences Centre Toronto Ontario Canada
9. Department of Medical Physics Memorial Sloan Kettering Cancer Center New York New York USA
10. Unità Operativa Complessa di Fisica Sanitaria Azienda Ospedaliera Universitaria Integrata Verona Verona Italy
11. Department of Radiation Oncology, University of Toronto and Medical Physics, Princess Margaret Cancer Centre University Health Network Toronto Ontario Canada
12. Department of Physics Jackson State University (JSU) Jackson Mississippi USA
13. SpinTecx Jackson Mississippi USA
14. Department of Radiation Oncology Community Health Systems (CHS) Cancer Network Jackson Mississippi USA
15. Department of Radiology University of Texas Southwestern Medical Center Dallas Texas USA
16. Department of Radiation Oncology Netherlands Cancer Institute Amsterdam Netherlands
17. Department of Radiation Oncology University of Michigan Ann Arbor Michigan USA
18. Imaging and Biomarkers, Cancer Center Amsterdam, Amsterdam UMC University of Amsterdam Amsterdam Netherlands