1. Department of Cardiology-Electrophysiology, University Hospital Hamburg; University Heart Center; Hamburg Germany
2. Department of Cardiology and Internal Medicine, Evangelisches Krankenhaus Hubertus; Charité Berlin; Berlin Germany
3. Hospital Klinikum Coburg; Teaching Hospital of the University of Würzburg; Coburg Germany
4. Division of Electrophysiology, Department of Cardiology and Angiology; University of Münster; Münster Germany
5. Department of Cardiology and Internal Intensive Care Medicine, Heart Center Munich-Bogenhausen; Munich Municipal Hospital Group; Munich Germany
6. Department of Cardiology; Asklepios Klinik St. Georg; Hamburg Germany
7. Department of Cardiology and Intensive Care, Peter Osypka Heart Center Munich; Hospital Munich-Thalkirchen; Munich Germany
8. 2nd Department of Medicine; Westpfalz-Klinikum; Kaiserslautern Germany
9. Praxisklinik Herz und Gefäße-Teaching Hospital of the Technical University of Dresden; Germany
10. Institute for Myocardial Infarction Research (IHF); Ludwigshafen Germany
11. Department of Cardiology II/Electrophysiology; Center of Cardiology, University Medical Center; Johannes Gutenberg-University; Mainz Germany