About the Authors

Hanne A. Askautrud

Contributed equally to this work with: Hanne A. Askautrud, Elisabet Gjernes

Affiliations Department of Medical Genetics, University of Oslo, Oslo, Norway, Department of Medical Genetics, Oslo University Hospital, Oslo, Norway

Elisabet Gjernes

Contributed equally to this work with: Hanne A. Askautrud, Elisabet Gjernes

Affiliations Department of Medical Genetics, University of Oslo, Oslo, Norway, Department of Medical Genetics, Oslo University Hospital, Oslo, Norway

Gjermund Gunnes

Affiliation Department of Basic Sciences and Aquatic Medicine, Norwegian School of Veterinary Science, Oslo, Norway

Marit Sletten

Affiliations Department of Medical Genetics, University of Oslo, Oslo, Norway, Department of Medical Genetics, Oslo University Hospital, Oslo, Norway

Douglas T. Ross

Affiliation Clarient Diagnostic Services, Aliso Viejo, California, United States of America

Anne Lise Børresen-Dale

Affiliation Department of Genetics, Institute for Cancer Research, Oslo University Hospital Radiumhospitalet, Oslo, Norway

Nina Iversen

Affiliations Department of Medical Genetics, University of Oslo, Oslo, Norway, Department of Medical Genetics, Oslo University Hospital, Oslo, Norway

Michael A. Tranulis

Affiliation Department of Basic Sciences and Aquatic Medicine, Norwegian School of Veterinary Science, Oslo, Norway

Eirik Frengen

eirik.frengen@medisin.uio.no

Affiliations Department of Medical Genetics, University of Oslo, Oslo, Norway, Department of Medical Genetics, Oslo University Hospital, Oslo, Norway

Competing Interests

Douglas Ross is employed by Clarient Inc., who have developed an antibody to NDRG1 as part of a marketed product for risk stratification of breast cancer (Mammostrat). This publication does not have any impact upon this product. There are no patents, products in development or other marketed products to declare. This does not alter the authors’ adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: HAA EG GG MAT EF. Performed the experiments: HAA EG GG MS NI MAT EF. Analyzed the data: HAA EG GG NI MAT EF. Contributed reagents/materials/analysis tools: HAA EG DTR ALBD EF. Wrote the paper: HAA EG GG MAT EF.