1. Department of Internal Medicine II Medical University of Vienna Vienna Austria
2. Sigmund Freud University, Medical School Vienna Austria
3. 3rd Department of Medicine Cardiology and Intensive Care Medicine, Wilhelminen Hospital Vienna Austria
4. Department of Blood Group Serology and Transfusion Medicine Medical University of Vienna Vienna Austria
5. Institute of Antithrombotic Therapy in Cardiovascular Disease Karl Landsteiner Society St. Pölten Austria
6. Department of Internal Medicine I Cardiology and Intensive Care Medicine, Landesklinikum Mistelbach‐Gänserndorf Mistelbach Austria