1. Department of Research Netherlands Comprehensive Cancer Organisation (IKNL) Utrecht The Netherlands
2. Department of Health Technology and Services Research, MIRA Institute for Biomedical Technology and Technical Medicine University of Twente Enschede The Netherlands
3. Scientific Committee NABON Breast Cancer Audit (NBCA) The Netherlands
4. Department of Radiation Oncology Erasmus Medical Centre Rotterdam The Netherlands
5. Department of Surgery Haga Hospital The Hague The Netherlands
6. Department of Radiation Oncology Institut Curie Paris France
7. Department of Radiation Oncology Medisch Spectrum Twente Enschede The Netherlands
8. Department of Radiation Oncology Leiden University Medical Centre Leiden The Netherlands