1. Department of SurgeryNetherlands Cancer Institute Amsterdam the Netherlands
2. Department of Biomedical Engineering and PhysicsAmsterdam University Medical Center Amsterdam Netherlands
3. Department of Pathologythe Netherlands Cancer Institute Amsterdam Netherlands
4. Department of PathologyGhent University Hospital Ghent Belgium
5. Department of Epidemiology and Biostatisticsthe Netherlands Cancer Institute Amsterdam Netherlands
6. Faculty of Science and TechnologyUniversity of Twente Enschede Netherlands