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 Internal Medicine I, Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach-Gänserndorf, Mistelbach, Austria
4. Institute of Antithrombotic Therapy in Cardiovascular Disease, Karl Landsteiner Society, St. Pölten, Austria