1. Department of Surgery, The Karolinska Institute, Stockholm Söder Hospital, Stockholm, Sweden
2. Department of Surgery and Centre for Assessment of Medical Technology in Örebro, University Hospital, Örebro, Sweden
3. Department of Oncology, University Hospital, Lund, Sweden
4. Department of Biomedicine and Surgery, University Hospital, Linköping, Sweden
5. Department of Surgery, University Hospital, Umeå, Sweden
6. Department of Oncology, Huddinge University Hospital, Stockholm, Sweden
7. Department of Pathology, Central Hospital, Falun, Sweden
8. Department of Pathology, University Hospital, Uppsala, Sweden
9. Department of Pathology, Helsingborg Hospital AB, Helsingborg, Sweden
10. Regional Oncologic Centre, University Hospital, Uppsala, Sweden
11. Department of Surgery and Centre for Metabolism and Endocrinology, Huddinge University Hospital, Stockholm, Sweden