An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
1 Department of Pediatric and Gastrointestinal Surgery, Oslo University Hospital, Ullevål, Oslo, Norway.
2 Department of General, Visceral, Cancer and Transplantation Surgery, University of Cologne, Cologne, Germany.
3 Division of Surgery and Oncology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet and Department of Upper Abdominal Diseases, Karolinska University Hospital, Stockholm, Sweden.
1 Department of Pediatric and Gastrointestinal Surgery, Oslo University Hospital, Ullevål, Oslo, Norway.
2 Department of General, Visceral, Cancer and Transplantation Surgery, University of Cologne, Cologne, Germany.
3 Division of Surgery and Oncology, Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet and Department of Upper Abdominal Diseases, Karolinska University Hospital, Stockholm, Sweden.