Funding for this research was provided by:
Medical Research Council (MC_UU_12017/13, MR/R024774/1)
Chief Scientist Office (SPHSU13, SCAF/15/02)
Received: 24 April 2020
Accepted: 18 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: UK Biobank received ethical approval from the NHS National Research Ethics Service North West (11/NW/0382; 16/NW/0274). All participants provided written informed consent before enrolment in the study, which was conducted in accordance with the Declaration of Helsinki. The study protocol is available online (ExternalRef removed).
: Not applicable
: JPP is a member of the UK Biobank Steering Committee. Apart from the funding acknowledged below, we declare no other competing interests.