1. British Heart Foundation Centre of Excellence and National Institute for Health Research Biomedical Research Centre, St Thomas Hospital Campus, School of Cardiovascular Medicine and Sciences (N.B., M.R., T.P., S.R.R., D.P.), King’s College London, United Kingdom.
2. British Heart Foundation Centre of Excellence, King’s College Hospital Campus, School of Cardiovascular Medicine and Sciences (K.O., A.M.S.), King’s College London, United Kingdom.
3. Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences (S.R., J.L.), King’s College London, United Kingdom.
4. Department of Cardiology, Royal Bournemouth and Christchurch Hospital, United Kingdom (P.O.).