1. Department of Surgery, Sunderby Hospital , Luleå , Sweden
2. Department of Surgery and Perioperative sciences/Surgery, Umeå University , Umeå , Sweden
3. Department of Oncology, Sundsvall Hospital , Sundsvall , Sweden
4. Regional Cancer Center, Uppsala University , Uppsala , Sweden
5. Translational Oncology & Urology Research (TOUR), School of Cancer and Pharmaceutical Sciences, King’s College London , London , UK
6. Department of Immunology, Genetics and Pathology, Section of Experimental and Clinical Oncology, Uppsala University, University Hospital , Uppsala , Sweden
7. Department of Oncology, Gävle Hospital , Gävle , Sweden
8. Department of Oncology, Visby Hospital , Visby , Sweden
9. Department of Oncology, Helsinki University Hospital , Helsinki , Finland
10. Department of Oncology, Örebro University Hospital , Örebro , Sweden
11. Department of Molecular Medicine and Surgery, Karolinska Institute , Stockholm , Sweden
12. Department of Breast, Endocrine Tumours and Sarcoma, Karolinska University Hospital , Stockholm , Sweden
13. Department of Surgery, Faculty of Medicine and Health, Örebro University , Örebro , Sweden
14. Department of Surgery, Institute of Clinical Sciences, Sahlgrenska Academy at University of Gothenburg , Gothenburg , Sweden
15. Department of Surgery, University of Helsinki and Helsinki University Hospital , Helsinki , Sweden
16. Department of Surgery, Sundsvall Hospital , Sundsvall , Sweden