1. School of Medicine Cardiff University Cardiff UK
2. Department of Cardiology University Hospital of Wales Cardiff UK
3. Cardiovascular Imaging and Dynamics Catholic University of Leuven Leuven Belgium
4. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Barcelona Spain
5. Catalan Institute for Research and Advanced Studies (ICREA) Barcelona Spain
6. Labatt Family Heart Centre, Division of Cardiology, Hospital for Sick Children University of Toronto Toronto Ontario Canada