1. Cardiology Section and Cardiovascular Clinical Academic Group, St. George’s University Hospitals NHS Foundation Trust, and Institute of Molecular and Clinical Sciences, St. George’s University of London, UK (B.E., C.S., D.J., Y.D.W., R.B., B.G., C.M., Y.B.-H., S.P., S.S., M.P., E.R.B.).
2. Faculty of Medicine and Health, University of Sydney, NSW, Australia (B.G.).
3. Electrocardiology Group, School of Health and Wellbeing, University of Glasgow, Scotland (B.D., P.W.M.).