1. Department of Molecular Oncology Institute for Cancer Research Oslo University Hospital – The Norwegian Radium Hospital Oslo Norway
2. Section for Cancer Cytogenetics Institute for Cancer Genetics and Informatics Oslo University Hospital – The Norwegian Radium Hospital Oslo Norway
3. Department of Oncology Oslo University Hospital – The Norwegian Radium Hospital Oslo Norway
4. Institute of Clinical Medicine Faculty of Medicine University of Oslo Oslo Norway
5. Department of Neurosurgery Oslo University Hospital – Rikshospitalet Oslo Norway
6. Department of Pathology Copenhagen University Hospital – Rigshospitalet Copenhagen Denmark