1. Cancer Research and Translational Medicine Research Unit, University of Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
2. Department of Oncology and Radiotherapy, Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland
3. Infrastructure for Population Studies, Faculty of Medicine, University of Oulu, Oulu, Finland
4. Department of Pathology, Lapland Central Hospital, Rovaniemi, Finland
5. Faculty of Biochemistry and Molecular Medicine, Biocenter Oulu, University of Oulu, Oulu, Finland