1. Department of Clinical and Experimental Medicine; Linköping University; Linköping Sweden
2. Regional Cancer Center South East; University Hospital; Linköping Sweden
3. Department of Oncology-Pathology; Karolinska Institute; Stockholm Sweden
4. Department of Surgery; Lund University Hospital; Lund Sweden
5. Department of Surgery; Umeå University; Umeå Sweden
6. Department of Dermatology; Karolinska University Hospital; Stockholm Sweden
7. Department of Surgery; University of Gothenburg; Sahlgrenska University Hospital; Göteborg Sweden
8. Department of Oncology; Sahlgrenska University Hospital; Göteborg Sweden
9. Department of Radiology; Oncology and Radiation Science; Section of Oncology; Uppsala University; Uppsala Sweden
10. Department of Medical and Health Sciences; Linköping University; Linköping Sweden