About the Authors

Stian Knappskog

stian.knappskog@med.uib.no

Affiliations Section of Oncology, Institute of Medicine, University of Bergen, Bergen, Norway, Department of Oncology, Haukeland University Hospital, Bergen, Norway

Liv B. Gansmo

Affiliations Section of Oncology, Institute of Medicine, University of Bergen, Bergen, Norway, Department of Oncology, Haukeland University Hospital, Bergen, Norway

Pål Romundstad

Affiliation Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway

Merete Bjørnslett

Affiliations Department of Medical Genetics, Oslo University Hospital Radiumhospitalet, Oslo, Norway, Faculty Division, The Norwegian Radium Hospital, University of Oslo, Oslo, Norway

Jone Trovik

Affiliations Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway, Institute of Clinical Medicine, University of Bergen, Norway

Jan Sommerfelt-Pettersen

Affiliation Director Naval Medicine, Royal Norwegian Navy, Bergen, Norway

Erik Løkkevik

Affiliation Division of Surgery and Cancer Medicine, Department of Oncology, Oslo University Hospital, Oslo, Norway

for the Norwegian Breast Cancer Group trial NBCG VI

The clinical investigators of the Norwegian Breast Cancer Group trial NBCG VI are listed in the Acknowledgments.

Rob A. E. M. Tollenaar

Affiliation Department of Surgery, Leiden University Medical Center, Leiden, The Netherlands

Caroline Seynaeve

Affiliation Department of Medical Oncology, Family Cancer Clinic, Erasmus MC-Daniel den Hoed Cancer Center Rotterdam, Rotterdam, The Netherlands

Peter Devilee

Affiliations Department of Human Genetics, Leiden University Medical Center, Leiden, The Netherlands, Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands

Helga B. Salvesen

Affiliations Department of Obstetrics and Gynecology, Haukeland University Hospital, Bergen, Norway, Institute of Clinical Medicine, University of Bergen, Norway

Anne Dørum

Affiliations Faculty Division, The Norwegian Radium Hospital, University of Oslo, Oslo, Norway, Department of Gynecological Oncology, Oslo University Hospital Radiumhospitalet, Oslo, Norway

Kristian Hveem

Affiliation Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway

Lars Vatten

Affiliation Department of Public Health, Faculty of Medicine, Norwegian University of Science and Technology, Trondheim, Norway

Per E. Lønning

Affiliations Section of Oncology, Institute of Medicine, University of Bergen, Bergen, Norway, Department of Oncology, Haukeland University Hospital, Bergen, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SK PEL. Performed the experiments: SK LBG PEL. Analyzed the data: SK LBG PEL. Contributed reagents/materials/analysis tools: PR MB JT JS-P EL RAEMT CS PD HBS AD KH LV. Wrote the paper: SK PEL.