1. Cancer and Translational Medicine Research Unit, University of Oulu, Oulu 90014, Finland
2. Department of Pathology, Oulu University Hospital and Medical Research Center Oulu, Oulu 90029, Finland
3. Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
4. Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA
5. Research Unit of Biomedicine and Biocenter Oulu, Department of Physiology, University of Oulu, Oulu 90014, Finland
6. Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
7. Research Unit of Surgery, Anesthesia and Intensive Care, University of Oulu, POB 5000, Oulu, Finland