1 Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden.
2 Breast Center, Theme Cancer, Karolinska University Hospital, Stockholm, Sweden.
3 Cancer Research UK Edinburgh Centre - Institute of Genetics and Cancer, Edinburgh Cancer Centre, Western General Hospital, University of Edinburgh, Edinburgh, United Kingdom.
4 Breast Cancer Center Clinical Research, Weill Cornell Medicine/New York Presbyterian Hospital, New York, New York, USA.
5 Department of Medical Oncology, University Hospital of Heraklion and Medical School, University of Crete, Heraklion, Greece.