1. Department for Cancer, Unit for Breast and Endocrine Surgery, Oslo University Hospital, Oslo, Norway;
2. Department for Cancer, Unit for Breast and Endocrine Surgery, Oslo University Hospital & Faculty of Medicine, Institute for Health and Society, University of Oslo, Oslo, Norway;
3. Department of Plastic and Reconstructive Surgery, Oslo University Hospital, Oslo, Norway;
4. Department of Plastic and Reconstructive Surgery, Oslo University Hospital and Faculty of Medicine, University of Oslo, Oslo, Norway;
5. Department for Cancer, Unit for Breast and Endocrine Surgery, Oslo University Hospital, Oslo, Norway