1. Department of Medical Physics University of Wisconsin–Madison Madison WI53705 USA
2. Radiotherapy Department La Fe Hospital Valencia46026 Spain
3. Radiotherapy Department Clinica Benidorm Alicante03501 Spain
4. Department of Atomic, Molecular and Nuclear Physics University of Valencia Burjassot46100 Spain
5. Dana‐Farber/Brigham and Women’s Cancer Center Harvard Medical School Boston MA02115 USA
6. Department of Radiation Oncology University of Arizona Tucson AZ85724 USA
7. R&D Elekta Brachytherapy Waardgelder 1 Veenendaal3903 DD Netherlands
8. Radiation Oncology Department Lynn Regional Cancer CenterBoca Raton Community Hospital Boca Raton FL33486 USA
9. Radion Inc. 20380 Town Center Lane, Suite 135 Cupertino CA95014 USA
10. Department of Radiation Oncology Alpert Medical School Brown University Providence RI02903 USA
11. Department of Radiation Oncology University of California Davis Comprehensive Cancer Center Sacramento CA95817 USA
12. UK S‐HCampus Kiel, Klinik fur Strahlentherapie (Radioonkologie) Arnold‐Heller‐Str. 3Haus 50 KielD‐24105 Germany
13. Carl Zeiss Meditec AG Rudolf‐Eber‐Straße 11 Oberkochen73447 Germany