Funding for this research was provided by:
Breast Cancer Research Foundation (BCRF-16-137)
Received: 21 April 2020
Revised: 20 November 2020
Accepted: 25 November 2020
First Online: 15 March 2021
Ethical approval and consent to participate
: The study was approved by the North West Multi-centre Research Ethics Committee, the National Information Governance Board for Health and Social Care in England and Wales and the Community Health Index Advisory Group in Scotland. All participants provided written informed consent. The study was performed in accordance with the Declaration of Helsinki.
: This study was conducted using data from the UK Biobank study. Information on data availability can be obtained via the UK Biobank website (ExternalRef removed).
: The authors declare no competing interests.
: This work was supported by the Breast Cancer Research Foundation (BCRF-16–140 to T.E.R.; BCRF-19–034, NCI U54 CA210184 to A.J.D.).