1. Friedrich‐Alexander Universität Erlangen‐Nürnberg Department of Cardiology Erlangen Germany
2. Medizinische Klinik I, Department of Cardiology University of Giessen Giessen Germany
3. Department of Medicine II University Medical Center, Johannes Gutenberg University Mainz Mainz Germany
4. Medizinische Klinik 1 Klinikum Wilhelmshaven Wilhelmshaven Germany
5. Department of Cardiology University of Essen Essen Germany
6. Herzzentrum Segeberger Kliniken GmbH Bad Segeberg Germany
7. CCB Cardioangiologisches Centrum Bethanien Hospital Frankfurt Germany
8. Department of Cardiology Medical Campus Lake Constance Friedrichshafen Germany
9. Abteilung für Kardiologie Herzzentrum Ludwigshafen Ludwigshafen Germany
10. Department of Cardiology Kerckhoff Heart and Thorax Center Bad Nauheim Germany