1. Senior Cardiology Registrar, Department of Adult Congenital Heart Disease, Leeds General Infirmary, Leeds LS1 3EX
2. Foundation Year 2 Doctor, Department of General Medicine Harrogate District General Hospital, Harrogate
3. NIHR Clinical Lecturer and BCIS Fellow, Department of Interventional Cardiology, Victoria Heart Institute Foundation, Royal Jubilee Hospital, Victoria, British Columbia, Canada and Department of Infection, Immunity and Cardiovascular Disease, University of Sheffield, Sheffield