1. Department of Gastrointestinal Surgery, Aalborg University Hospital, Aalborg, Denmark
2. Clinical Cancer Research Center, Aalborg University Hospital, Aalborg, Denmark
3. Department of Clinical Medicine, Aalborg University, Aalborg, Denmark
4. Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark
5. Department of Clinical Investigation and Cardiology, Nordsjaellands Hospital Hillerød, Denmark
6. Department of Surgery, The Regional Hospital, Horsens, Denmark