1. Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden;
2. Transplantation Centre, Sahlgrenska University Hospital, Gothenburg, Sweden;
3. Department of Oncology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Sweden;
4. Regional Cancer Centre West, Sahlgrenska University Hospital, Gothenburg, Sweden;
5. Department of Surgery, Sahlgrenska University Hospital, Gothenburg, Sweden;
6. Department of Transplantation, CLINTEC, Karolinska Institute and Karolinska University Hospital, Stockholm, Sweden