1. Department of Internal Medicine, Cardiology and Nephrology, Landesklinikum Wiener Neustadt, Wiener Neustadt, Austria
2. Department of Internal Medicine II, Medical University of Vienna, Vienna, Austria
3. Department of Cardiac Surgery, Medical University of Vienna, Vienna, Austria
4. Department of Blood Group Serology and Transfusion Medicine, Medical University of Vienna, Vienna, Austria
5. Department of Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, Mistelbach, Austria
6. Institute of Cardiovascular Pharmacotherapy and Interventional Cardiology, Karl Landsteiner Society, St. Pölten, Austria