About the Authors

Katri Pylkäs

Affiliation Laboratory of Cancer Genetics, Department of Clinical Genetics and Biocenter Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland

Mikko Vuorela

Affiliation Laboratory of Cancer Genetics, Department of Clinical Genetics and Biocenter Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland

Meeri Otsukka

Affiliation Laboratory of Cancer Genetics, Department of Clinical Genetics and Biocenter Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland

Anne Kallioniemi

Affiliation Laboratory of Cancer Genetics, Institute of Biomedical Technology/BioMediTech, University of Tampere and Fimlab Laboratories, Tampere, Finland

Arja Jukkola-Vuorinen

Affiliation Department of Oncology, Oulu University Hospital, University of Oulu, Oulu, Finland

Robert Winqvist

robert.winqvist@oulu.fi

Affiliation Laboratory of Cancer Genetics, Department of Clinical Genetics and Biocenter Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Designed the study: KP RW. Designed and performed qPCR confirmations: MV KP. Performed the microarrays: MO KP. Performed the founder mutation analysis for the young breast cancer patient cohort: AK MV. Ran the CNV and IPA analysis: KP. Provided the young breast cancer cohort: AJ-V. Drafted the manuscript: KP. Prepared the final manuscript: KP RW. Contributed to critical review of the paper: KP MV MO AK AJ-V RW.