About the Authors

Nina Gran Egeland

Contributed equally to this work with: Nina Gran Egeland, Marie Austdal

Roles Data curation, Formal analysis, Visualization, Writing – original draft, Writing – review & editing

Affiliations Department of Pathology, Stavanger University Hospital, Stavanger, Norway, Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway

Marie Austdal

Contributed equally to this work with: Nina Gran Egeland, Marie Austdal

Roles Data curation, Formal analysis, Visualization, Writing – original draft, Writing – review & editing

Affiliations Department of Pathology, Stavanger University Hospital, Stavanger, Norway, Department of Breast and Endocrine Surgery, Stavanger University Hospital, Stavanger, Norway

Bianca van Diermen-Hidle

† Deceased.

Roles Investigation

Affiliation Department of Pathology, Stavanger University Hospital, Stavanger, Norway

Emma Rewcastle

Roles Investigation, Writing – review & editing

Affiliation Department of Pathology, Stavanger University Hospital, Stavanger, Norway

Einar G. Gudlaugsson

Roles Investigation, Validation, Writing – review & editing

Affiliation Department of Pathology, Stavanger University Hospital, Stavanger, Norway

Jan P. A. Baak

Roles Investigation, Validation, Writing – original draft, Writing – review & editing

Affiliations Department of Pathology, Stavanger University Hospital, Stavanger, Norway, Dr. Med. Jan Baak AS, Tananger, Norway

Ivar Skaland

Roles Investigation, Methodology, Resources, Writing – review & editing

Affiliation Department of Pathology, Stavanger University Hospital, Stavanger, Norway

Emiel A. M. Janssen

Roles Conceptualization, Data curation, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing

Affiliations Department of Pathology, Stavanger University Hospital, Stavanger, Norway, Department of Chemistry, Bioscience and Environmental Engineering, University of Stavanger, Stavanger, Norway

Kristin Jonsdottir

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Supervision, Visualization, Writing – original draft, Writing – review & editing

kristin.jonsdottir@sus.no

Affiliation Department of Pathology, Stavanger University Hospital, Stavanger, Norway

Competing Interests

Jan P.A. Baak is a member of the PLOS ONE Editorial Board and acts as an independent researcher representing his own company; namely “Dr. Med. Jan Baak AS”. Assuredly, this does not alter the authors' adherence to PLOS ONE Editorial policies and criteria, and the authors declare that no other competing interests exist.