1. Danish Breast Cancer Group, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
2. Department of Oncology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
3. Department of Oncology, Vejle Hospital, Vejle, Denmark
4. Department of Oncology, Zealand University Hospital, Naestved, Denmark
5. Pfizer Denmark ApS, Ballerup, Denmark
6. Incentive, Holte, Denmark
7. Department of Oncology, Herlev Hospital, Copenhagen University Hospital, Copenhagen, Denmark