1. Department of Oncology-Pathology; Cancer Center Karolinska, Karolinska Institutet; Stockholm Sweden
2. Division of Surgery, Department of Clinical Sciences; Lund University; Lund Sweden
3. Department of Surgery; Skåne University Hospital; Lund Sweden
4. Radiumhemmet, Karolinska University Hospital; Stockholm Sweden
5. Department of Pathology; Sahlgrenska Cancer Centre, University of Gothenburg; Gothenburg Sweden
6. Department of Clinical and Experimental Medicine; Oncology, Linköping University; Linköping Sweden