1. Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center University Hospital Essen Essen Germany
2. Stiftung Institut für Herzinfarktforschung Ludwigshafen an der Universität Heidelberg Ludwigshafen Germany
3. Department of Cardiology II – Electrophysiology University of Münster Münster Germany
4. Klinik für Kardiologie Evangelisches Krankenhaus Hubertus Berlin Germany
5. Department of Cardiology and Internal Medicine Vivantes Klinikum Am Urban Berlin Germany
6. Department of Cardiology, Heart Center Rostock Rostock University Medical Center Rostock Germany
7. Praxisklinik Herz und Gefäße Dresden and Brandenburg, Institut of Medical Technology University of Technology Cottbus‐Senftenberg Ludwigshafen Germany
8. Department of Cardiology Klinikum Ludwigshafen Villingen‐Schwenningen Germany
9. Department of Cardiology Klinikum Straubing Straubing Germany
10. Department of Cardiology Academic Hospital Villingen Villingen‐Schwenningen Germany
11. Department of Cardiology Klinikum Bielefeld Bielefeld Germany