1. Department of Cardiology University Hospital of Wales Cardiff UK
2. Systems Immunity University Research Institute Cardiff University Cardiff UK
3. Department of Cardiology University of Exeter Exeter Devon UK
4. Cardiothoracic Department Freeman Hospital Newcastle‐Upon‐Tyne UK
5. Department of Cardiology Bournemouth Hospital Bournemouth UK
6. Institute of Cardiovascular Sciences University of Birmingham Birmingham UK
7. Keele Cardiovascular Research Group, Institute of Applied Clinical Sciences University of Keele Stoke‐on‐Trent UK