1. Division of Molecular Pathology Netherlands Cancer Institute Amsterdam the Netherlands
2. Department of Research and Development Netherlands Comprehensive Cancer Organisation Utrecht
3. Department of Health Technology and Services Research, Technical Medical Center University of Twente Enschede
4. Department of Pathology University Medical Center Utrecht Utrecht
5. Department of radiation Oncology, University of Groningen University Medical Center Groningen Groningen
6. Department of Surgery Canisius Wilhelmina Hospital Nijmegen the Netherlands
7. Department of Epidemiology Maastricht University Maastricht