1. Department of Neuroscience, Imaging and Clinical Sciences,G.d’ Annunzio University of Chieti-Pescara, 66100 Chieti, Italy
2. Department of Clinical Sciences, Lund University, Jan Waldenströmsgata 35-205, 22100 Malmö, Sweden
3. Casa di Cura Villa Serena, 65013 Città Sant'Angelo, Pescara, Italy
4. Department of Cardiology, King's College Hospital, London SE5 9RS, UK
5. Morriston Cardiac Regional Centre, Swansea Bay Health Board, Swansea SA6 6NL, UK
6. Barts Heart Centre, Barts Health NHS Trust, West Smithfield, London EC1A 7BE, UK
7. Department of Medicine and Surgery, University of Milano Bicocca, 20126 Milan, Italy
8. Department of Cardiological, Metabolic and Neural Sciences, Istituto Auxologico Italiano, IRCCS, 20149 Milan, Italy
9. Department of Cardio-Thoracic Surgery, Maastricht University Medical Centre, 6229 HX, Maastricht, the Netherlands
10. NIHR Barts Biomedical Research Centre, William Harvey Research Institute, Queen Mary University of London, EC1A 7BE, UK
11. Department of Cardiology, Newham University Hospital, Barts Health NHS Trust, Glen Road, London E13 8SL, UK