1. Department of Clinical Sciences Lund; Division of Surgery; Lund University; Lund Sweden
2. Department of Oncology; Skåne University Hospital; Lund Sweden
3. Department of Clinical Sciences Lund; Division of Oncology and Pathology; Lund University; Lund Sweden
4. Department of Dermatology; University Hospital; University Duisburg-Essen; Essen Germany
5. Department of Surgery; Skåne University Hospital; Lund Sweden