Funding for this research was provided by:
Oxford-UCB Prize Fellowship in Biomedical Research
Received: 22 August 2018
Accepted: 20 May 2019
First Online: 6 June 2019
Ethics approval and consent to participate
: Ethical approval was not sought in line with the latest Governance Arrangements for Research Ethics Committees (GafREC) guidance. Approval to use the data was provided by the Independent Scientific Advisory Committee (ISAC) at the MHRA (ISAC Protocol No. 13_069RA). Personal data was processed under Articles 6 (1)(f) and 9 (1)(f) of the General Data Protection Regulation (EU 2016/6709).
: Not applicable.