1. Department of Internal Medicine/Cardiology, Heart Center Leipzig at University of Leipzig , Leipzig , Germany
2. Departments of Cardiology and Intensive Care Medicine, Clinic Ottakring and Sigmund Freud University, Medical School , Vienna , Austria
3. Department of Cardiology, Rigshospitalet , Copenhagen , Denmark
4. Department of Cardiology, Oslo University Hospital Ullevål and University of Oslo , Oslo , Norway
5. Department of Cardiology and Intensive Care Medicine, Heart Center Hasselt , Hasselt , Belgium
6. Faculty of Medicine and Life Sciences, University of Hasselt , Hasselt , Belgium
7. Division of Cardiology, Department of Internal Medicine II, Medical University of Vienna , Vienna , Austria
8. Duke Clinical Research Institute , Durham, NC , USA
9. Department of Cardiothoracic Surgery, Maastricht University Medical Center (MUMC+) and Cardiovascular Research Institute Maastricht (CARIM) , Maastricht , the Netherlands
10. Department of Cardiac Surgery, Medical University of Innsbruck , Innsbruck , Austria
11. Department of Cardiology, Royal Papworth Hospital , Cambridge , UK
12. School of Medicine, Vita-Salute San Raffaele University , Milan , Italy
13. Interventional Cardiology Unit, IRCCS San Raffaele Scientific Institute , Milan , Italy