1. Département de Radio−Oncologie et Axe oncologie du Centre de recherche du CHU de Québec; CHU de Québec; Québec Québec G1R 2J6 Canada
2. Département de Physique, de Génie Physique et d'Optique et Centre de Recherche sur le Cancer; Université Laval; Québec Québec G1R 2J6 Canada
3. Unidad Mixta de Investigación en Radiofísica e Instrumentación Nuclear en Medicina (IRIMED); Instituto de Investigación Sanitaria La Fe (IIS-La Fe)-Universitat de Valencia (UV) Valencia and IFIC (CSIC−UV); Burjassot 46100 Spain
4. Unidad Mixta de Investigación en Radiofísica e Instrumentación Nuclear en Medicina (IRIMED); Instituto de Investigación Sanitaria La Fe (IIS-La Fe)-Universitat de Valencia (UV); Burjassot 46100 Spain
5. Department of Medical and Health Sciences (IMH); Radiation Physics, Faculty of Health Sciences; Linköping University; SE-581 85 Linköping Sweden
6. Department of Medical Physics; Section of Radiotherapy Physics and Engineering; The Karolinska University Hospital; SE-171 76 Stockholm Sweden
7. Department of Radiation Physics; ERESA; Hospital General Universitario; E-46014 Valencia Spain
8. School of Physics; University of Sydney; NSW 2006 Australia
9. Department of Radiation Oncology; Helen F. Graham Cancer Center & Research Institute; Christiana Care Health System; Newark DE 19713 USA
10. Department of Radiation Oncology (MAASTRO); GROW; School for Oncology and Developmental Biology; Maastricht University Medical Center; Maastricht 6201 BN the Netherlands
11. Medical Physics Laboratory; Medical School; National and Kapodistrian University of Athens; 75 Mikras Asias 115 27 Athens Greece
12. Department of Radiation Oncology; Tufts University School of Medicine; Boston MA 02111 USA
13. Clinic of Radiotherapy; University Hospital of Schleswig−Holstein; Campus Kiel Kiel 24105 Germany
14. Department of Medical Physics; Cross Cancer Institute; Edmonton Alberta T6G 1Z2 Canada
15. Department of Oncology; University of Alberta; Edmonton Alberta T6G 2R3 Canada
16. Alfred Health Radiation Oncology; The Alfred Hospital; Melbourne Victoria 3004 Australia
17. Carleton Laboratory for Radiotherapy Physics; Department of Physics; Carleton University; Ottawa Ontario K1S 5B6 Canada