Funding for this research was provided by:
UCLH Biomedical Research Centre (supported by)
Tommy's (supported by)
The Jon Moulton Charity Trust (261294)
Biomedical Research Centre at Guy’s and St Thomas’ NHS Foundation Trust and King’s College London (supported by)
ARC South London (supported by)
Received: 28 July 2020
Accepted: 28 October 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: All participants in the CRAFT study have given informed written consent. Ethical approval given 11/09/2019, by London Queen Square research ethics committee (HRA NRES Centre Bristol, 3rd floor, block B, Whitefriars, Lewins Mead, Bristol, BS1 2NT, UK; Tel: + 44 (0)207 104 8057; Email: ExternalRef removed), ref.: 19/LO/1270.
: Not applicable.
: AHS is an Editorial Board Member for <i>BMC Pregnancy and Childbirth.</i>