1 Centre for Cardiovascular Medicine and Device Innovation, William Harvey Research Institute, Barts and The London Medical School, Queen Mary University of London, London, UK.
2 Barts NIHR Biomedical Research Centre, Barts and The London Medical School, Queen Mary University, London, UK.
3 Barts Interventional Group, Interventional Cardiology, Department of Cardiology, Barts Heart Centre, St Bartholomew's Hospital, 2nd Floor, King George V Building, West Smithfield, London EC1A 7BE, UK.