1. Cancer and Translational Medicine Research Unit, University of Oulu, Oulu, Finland
2. Department of Oncology and Radiotherapy and Medical Research Center, Oulu University Hospital, Oulu, Finland
3. Department of Pathology, Oulu University Hospital, Oulu, Finland
4. Department of Pathology, North Karelia Central Hospital, Joensuu, Finland
5. Department of Oncology, Faculty of Health Medicine, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
6. Department of Hematology, Oulu University Hospital, Oulu, Finland