1. Department of Surgery, University of Vermont Larner College of Medicine, Burlington, Vermont, United States
2. Department of Clinical Research, University of Southern Denmark, Odense, Syddanmark, Denmark
3. Department of Surgery, Sygehus Sønderjylland, Aabenraa, Denmark
4. Department of Pathology, Odense University Hospital, Odense, Denmark
5. Department of Surgery, Odense University Hospital, Odense, Denmark