1. Department of Cardiology Royal Stoke University Hospital Stoke‐on‐Trent UK
2. Keele Cardiovascular Research Group, School of Medicine Keele University Stoke on Trent UK
3. Department of Cardiology University Hospital of Wales Cardiff UK
4. Department of Cardiology Queen Elizabeth Hospital Birmingham, Birmingham Edgbaston, Birmingham UK
5. Essex Cardiothoracic Centre, MSE Basildon UK
6. MTRC, Anglia Ruskin School of Medicine Chelmsford UK
7. Faculty of Medicine University of Southampton Southampton UK
8. Department of Cardiology University Hospital NHS Trust Southampton UK