1. Department of Pathology University Medical Centre Utrecht Utrecht University Utrecht The Netherlands
2. Department of Pathology Odense University Hospital Odense Denmark
3. Research Unit of Pathology Department of Clinical Research University of Southern Denmark Odense Denmark
4. Department of Pathology Rigshospitalet Copenhagen University Hospital Copenhagen Denmark
5. Department of Pathology Aarhus University Hospital Aarhus Denmark
6. Department of Pathology Turku University Hospital and Institute of Biomedicine University of Turku Turku Finland
7. Department of Pathology Norrlands University Hospital Umeå Sweden
8. Department of Clinical and Molecular Medicine Faculty of Medicine and Health Sciences Norwegian University of Science and Technology (NTNU) Trondheim Norway
9. Department of Neuropathology Amsterdam Neuroscience Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
10. Department of Pathology Radboud University Medical Center Nijmegen The Netherlands
11. Department of Pathology University Medical Centre Groningen Groningen The Netherlands
12. Department of Medical Oncology University Medical Centre Utrecht Utrecht The Netherlands
13. Princess Máxima Centre for Paediatric Oncology Utrecht The Netherlands
14. Department of Pathology Amsterdam University Medical Centres/VU Medical Centre Amsterdam The Netherlands