1 Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust and Institute of Molecular and Clinical Sciences St. George's University of London, London, UK.
2 Division of Cardiovascular Sciences, University of Manchester, Division of Cardiovascular Sciences, Manchester, UK.
3 Research Institute of Sports and Exercise Science, Liverpool John Moores University, Liverpool, UK.
4 Canterbury Christ Church University, Canterbury, UK.
5 Department of Cardiology, Guy's and St. Thomas' Foundation Trust, London, UK.
6 King's College London School of Medical Education, London, UK.
7 Cardiology Clinical Academic Group, St. George's University Hospitals NHS Foundation Trust and Institute of Molecular and Clinical Sciences St. George's University of London, London, UK [email protected].