1. Department of Pathology, Radboud University Medical Center, Nijmegen, The Netherlands
2. Netherlands Comprehensive Cancer Organisation, Eindhoven, The Netherlands
3. Department of Public Health, Erasmus MC University Medical Centre, Rotterdam, The Netherlands
4. PALGA Foundation, Houten, The Netherlands
5. Department of Medical Oncology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands
6. Department of Surgery, Radboud University Medical Centerl, Nijmegen, The Netherlands