Funding for this research was provided by:
National Institute for Health Research (NIHR-INF-0065)
Received: 11 June 2020
Accepted: 3 February 2021
First Online: 22 March 2021
Ethics approval and consent to participate
: This study was approved by the local research ethics committee: Yorkshire & The Humber-Leeds East Research Ethics Committee (REC reference: 18/YH/0096). All patients gave written informed consent. Healthy volunteers recruited under an ethically-approved departmental technical development protocol provided verbal consent (as specified in the protocol).
: Informed consent was obtained from all participants for inclusion of their data in publications.
: BC is receiving support in kind from Roche Diagnostics (blood assays) and iRhythm (ECG monitors) in clinical studies on atrial fibrillation. RW has received honoraria and/or travel assistance from Biosense Webster, Bayer, Boston Scientific and Abbott. All authors report no conflicts of interest in relation to this work.