Funding for this research was provided by:
Deutsche Krebshilfe (110837)
Received: 27 April 2017
Accepted: 23 January 2018
First Online: 7 March 2018
Ethics approval and consent to participate
: The multicentre GC-HBOC registry and the multicentre GBG GeparSixto trial have been approved by the responsible ethics committees. Written informed consent to be enrolled in the GC-HBOC registry or the GBG GeparSixto trial, respectively, was obtained from all individuals whose data was used for the present analysis.
: Not applicable.
: Eric Hahnen, Kerstin Rhiem, Brigitte Schlegelberger, Rita Schmutzler: Advisory Board Astra Zeneca. Sibylle Loibl is member of the editorial board (Associate Editor) of BMC Cancer. All other authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.