1. University of Bordeaux, CENBG, 33170 Gradignan, France
2. CNRS, IN2P3, CENBG, 33170 Gradignan, France
3. Medical Physics Laboratory, University of Ioannina Medical School, 45110 Ioannina, Greece
4. Université Toulouse III-Paul Sabatier, UMR1037 CRCT, 31037 Toulouse, France
5. Inserm, UMR1037 CRCT, 31037 Toulouse, France
6. Centre for Medical Radiation Physics, University of Wollongong, Wollongong, NSW 2522, Australia
7. Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW 2522, Australia
8. Geant4 Associates International Ltd., Hebden Bridge, United Kingdom
9. Tomsk State University, Tomsk, Russia