1 Department of Cardiology, AsklepiosHarzklinik Goslar, KöslinerStraße 12, 38642, Goslar, Germany. dr-mali@hotmail.de.
2 Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Straße 40, 06120, Halle (Saale), Germany. dr-mali@hotmail.de.
3 Department of Cardiology, AsklepiosHarzklinik Goslar, KöslinerStraße 12, 38642, Goslar, Germany.
4 Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Heart Centre Lübeck, Lübeck, Germany.
5 Department of Thoracic and Cardiovascular Surgery, Klinikum Braunschweig, Braunschweig, Germany.
6 Mid-German Heart Center, Department of Internal Medicine III, Division of Cardiology, Angiology and Intensive Medical Care, University Hospital Halle, Martin-Luther-University Halle, Ernst-Grube-Straße 40, 06120, Halle (Saale), Germany.