Received: 11 September 2019
Accepted: 10 March 2020
First Online: 24 April 2020
Ethics approval and consent to participate
: The UK Biobank received ethical approval from the North West Multi-centre Research Ethics Committee (REC reference: 12/NW/03820). All participants gave written informed consent before enrolment in the study, which was conducted in accordance with the principles of the Declaration of Helsinki.
: Not applicable.
: All authors have completed the ICMJE uniform disclosure form at ExternalRef removed (available on request from the corresponding author) and declare the following: no support from any organisation for the submitted work, no financial relationships with any organisations that might have an interest in the submitted work in the previous 3 years and no other relationships or activities that could appear to have influenced the submitted work.