1. Department of Surgery, University of Turku and Turku University Hospital, Turku, Finland
2. Department of Plastic and General Surgery, Turku University Hospital, Turku, Finland
3. Central Laboratory of Pathology, Helsinki University Hospital, Helsinki, Finland
4. Department of Pathology, Turku University Hospital, Turku, Finland
5. Comprehensive Cancer Center, Helsinki University Hospital, Helsinki, Finland
6. Tyks Cancer Centre and FICAN West, University of Turku and Turku University Hospital, Turku, Finland
7. Department of Dermatology, University of Turku and Turku University Hospital, Turku, Finland