1. Department of Clinical Science, Intervention and Technology (CLINTEC), Division of Surgery, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
2. Department for Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden Department of Transplantation Surgery, Karolinska University Hospital, Stockholm, Sweden
3. Department of Hepatology, Karolinska University Hospital, Stockholm, Sweden
4. Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
5. Department of Surgery, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa