About the Authors

Melanie Rae Simpson

melanie.simpson@ntnu.no

Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway

Gaute Brede

Affiliation Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway

Jostein Johansen

Affiliation Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway

Roar Johnsen

Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway

Ola Storrø

Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway

Pål Sætrom

Affiliations Department of Cancer Research and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway, Department of Computer and Information Science, Norwegian University of Science and Technology, Trondheim, Norway

Torbjørn Øien

Affiliation Department of Public Health and General Practice, Norwegian University of Science and Technology, Trondheim, Norway

Competing Interests

TØ, OS and MRS participated in seminars sponsored by Tine BA. All other authors declare that they have no conflict of interest. No authors received funds, sponsorship or other financial, professional or personal gain from Siemens Medical Solutions diagnostics AS. The stated competing interests do not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: GB TØ MRS. Performed the experiments: GB MRS. Analyzed the data: JJ PS MRS. Wrote the paper: MRS. Designed and directed the implementation of the ProPACT trial during which these breast milk samples were collected: TØ OS RJ.