Title {1}	Evaluation of two evidence-based decision aids for female BRCA1/2 mutation carriers in Germany: study protocol for a randomised controlled parallel-group trial
Trial registration {2a, 2b}	DRKS-ID: DRKS00015823. Registered 14 June 2019 - Retrospectively registered, http://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00015823.
Protocol version {3}	Study protocol version No. 1 [23/12/2020]
Funding {4}	This trial is funded by the Landeszentrum Gesundheit Nordrhein-Westfalen (LZG.NRW), Gesundheitscampus 10, 44801 Bochum, Germany.
Authors and Affiliations {5a}	Kautz-Freimuth S1, Redaèlli M1, Isselhard A1, Shukri A1, Vodermaier A1,3, Rhiem K2, Schmutzler R2, Stock S1 Affiliations 1 Institute of Health Economics and Clinical Epidemiology, The University Hospital of Cologne, Gleueler Straße 176-178, 50935 Cologne, Germany. 2 Centre for Familial Breast and Ovarian Cancer, Centre for Integrated Oncology (CIO), The University Hospital of Cologne, Kerpener Straße 62, 50937 Cologne, Germany. 3School of Population and Public Health, The University of British Columbia, 2206 East Mall, Vancouver, BC C6T 1Z3, Canada.
Name and Contact Information for the Trial Sponsor {5b}	The University Hospital of Cologne, Kerpener Straße 62, 50937 Cologne, Germany.
Role of Study Sponsor and Funder {5c}	Neither the study sponsor nor the funder is involved in the study design, data collection, data management, data analyses and interpretation, report writing, decision to submit this report for publication or the writing of this publication.