About the Authors

Paul Jank

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

Affiliation Institut für Pathologie, Philipps-Univeristät Marburg, Marburg, Germany

Claire Gehlhaar

Roles Data curation, Writing – review & editing

Affiliations Institut für Neuropathologie, Charité –Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt—Universität zu Berlin and Berlin Institut of Health, Berlin, Germany, Lette Verein Berlin, Berlin, Germany

Lederer Bianca

Roles Conceptualization, Formal analysis, Writing – original draft, Writing – review & editing

Affiliation German Breast Group Forschungs GmbH, Neu-Isenburg, Germany

Fontanella Caterina

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Writing – review & editing

Affiliation Department of Oncology, S. Martino Hospital, Belluno, Italy

Schneeweiss Andreas

Roles Writing – review & editing

Affiliation Nationales Centrum für Tumorerkrankungen, Universitätsklinikum und Deutsches Krebsforschungszentrum, Heidelberg, Germany

Thomas Karn

Roles Writing – review & editing

Affiliation Klinik für Frauenheilkunde und Geburtshilfe, Universitätsklinikum Frankfurt, Frankurt, Germany

Frederik Marmé

Roles Writing – review & editing

Affiliation Universitätsfrauenklinik Mannheim, Mannheim, Germany

Hans-Peter Sinn

Roles Writing – review & editing

Affiliation Universitätsfrauenklinik Heidelberg, Heidelberg, Germany

Marion van Mackelenbergh

Roles Writing – review & editing

Affiliation Universitätsklinikum Schleswig-Holstein, Klinik für Gynäkologie und Geburtshilfe, Schleswig-Holstein, Germany

Bruno Sinn

Roles Writing – review & editing

Affiliation Institut für Pathologie, Charité –Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt—Universität zu Berlin and Berlin Institut of Health, Berlin, Germany

Dirk-Michael Zahm

Roles Writing – review & editing

Affiliation SRH Wald-Klinikum Gera, Gera, Germany

Barbara Ingold-Heppner

Roles Formal analysis, Investigation, Methodology, Writing – review & editing

Affiliation Institut für Pathologie, DRK Kliniken Berlin, Berlin, Germany

Christian Schem

Roles Writing – review & editing

Affiliation Mammazentrum Hamburg, Hamburg, Germany

Elmar Stickeler

Roles Writing – review & editing

Affiliation Klinik für Gynäkologie, Uniklinik RWTH Aachen, Aachen, Germany

Peter A. Fasching

Roles Writing – review & editing

Affiliation University Hospital Erlangen, Erlangen, Germany

Valentina Nekljudova

Roles Formal analysis, Writing – original draft, Writing – review & editing

Affiliation German Breast Group Forschungs GmbH, Neu-Isenburg, Germany

Eliane Tabea Taube

Roles Funding acquisition, Writing – review & editing

Affiliation Institut für Pathologie, Charité –Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt—Universität zu Berlin and Berlin Institut of Health, Berlin, Germany

Frank Heppner

Roles Data curation, Writing – review & editing

Affiliation Institut für Neuropathologie, Charité –Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt—Universität zu Berlin and Berlin Institut of Health, Berlin, Germany

Volkmar Müller

Roles Writing – review & editing

Affiliation Klinik für Gynäkologie, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany

Carsten Denkert

Roles Methodology, Supervision, Writing – original draft, Writing – review & editing

carsten.denkert@uni-marburg.de

Affiliation Institut für Pathologie, Philipps-Univeristät Marburg, Marburg, Germany

Sibylle Loibl

Roles Conceptualization, Funding acquisition, Methodology, Supervision, Writing – review & editing

Affiliation German Breast Group Forschungs GmbH, Neu-Isenburg, Germany

Competing Interests

I have read the journal's policy and the authors of this manuscript have the following competing interests: Dr. Schneeweiss reports grants from Celgene, grants from Roche, grants from AbbVie, grants from Molecular Partner, personal fees from Roche, personal fees from AstraZeneca, personal fees from Celgene, personal fees from Roche, personal fees from Roche, personal fees from Celgene, personal fees from Pfizer, personal fees from AstraZeneca, personal fees from Novartis, personal fees from MSD, personal fees from Tesaro, personal fees from Lilly, personal fees from Pfizer, other from Roche, outside the submitted work. Dr. v. Mackelenbergh reports travel grants and honoria from AstraZeneca, Amgen, Gebomic Health, Novartis, Lilly. Dr. Denkert reports personal fees from Novartis, personal fees from Roche, personal fees from MSD Oncology, from Daiichi Sankyo, grants from Myriad Genetics, other from Sividon Diagnostics / Myriad, outside the submitted work; In addition, Dr. Denkert has a patent EP18209672 pending, a patent EP20150702464 pending, and a patent Software (VMscope digital pathology) pending. All other authors declare no conflict of interest. We confirm that the patents do not alter our adherence to PLOS ONE policies on sharing data and materials. We would like to point out, that the patents had been added as general COI information but are not related to MGMT methylation.