1. Division of Cardiology, St.Josefs-Hospital, Beethovenstr. 20, Wiesbaden, Germany
2. Division of Cardiology, Goethe-University, Frankfurt, Germany
3. Institute for Cardiovascular Regeneration, Goethe-University, Frankfurt, Germany
4. Molekularpharmakologische Elektrophysiologie, Universitätsklinikum, Magdeburg, Germany
5. Institute of Pharmacology and Pharmacotherapy, University of Szeged, Szeged, Hungary
6. Cardiothoracic Surgery, Goethe-University, Frankfurt, Germany
7. Research Center, Montreal Heart Institute and University of Montreal, Montreal, Canada