JS Reyat (Presenting Author) – Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Medical School, University of Birmingham, Birmingham, UK W Chua – Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Medical School, University of Birmingham, Birmingham, UK; JR de Groot – Amsterdam University Medical Centres, University of Amsterdam, Department of Cardiology, Amsterdam, The Netherlands; L Fabritz – Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Medical School, University of Birmingham and Department of Cardiology, University Hospital Birmingham, Birmingham, UK; P Kirchhof – Institute of Cardiovascular Sciences, College of Medical and Dental Sciences, Medical School, University of Birmingham and Department of Cardiology, University Hospital Birmingham and Department of Cardiology, Sandwell and West Birmingham NHS Trust, Birmingham, UK