1. Department of Surgical Oncology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands
3. Foundation PALGA, Nationwide Network and Registry of Histo- and Cytopathology in the Netherlands, Utrecht, The Netherlands
4. Netherlands Cancer Registry, Comprehensive Cancer Organisation the Netherlands (IKNL), Eindhoven, The Netherlands
5. Department of Public Health, ErasmusMedical Center, Rotterdam, The Netherlands