1. Department of Cardiology, University Hospital of Wales, Cardiff, UK
2. Systems Immunity University Research Institute, Cardiff University, Cardiff, UK
3. 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