1. Department of Pathology Leiden University Medical Center Leiden the Netherlands
2. Department of Pathology Haaglanden Medical Center The Hague the Netherlands
3. Department of Pathology Portuguese Oncology Institute‐Porto Porto Portugal
4. Department of Pathology Belfast Health and Social Care Trust Belfast Northern Ireland UK
5. Department of BioPathology University Paris‐Saclay, Gustave‐Roussy Cancer Center Villejuif France
6. Department of Pathology Hospital Graz II and Medical University of Graz Graz Austria
7. Department of Radiation Oncology Leiden University Medical Center Leiden the Netherlands
8. Department of Cellular Pathology Barts Health NHS Trust London UK
9. Department of Pathological Anatomy Ghent University Hospital Ghent Belgium