1. Department of Internal Medicine II, Medical University of Vienna, Waehringer Guertel 18-20, A-1090 Vienna, Austria
2. Institute for Heart, Vascular and Stroke Care, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, YAW5058, Boston, 02114 MA, USA
3. Department of Medicine IV, Kaiser Franz Joseph Spital, Kundratstrasse 3, A-1100 Vienna, Austria
4. FH Campus Vienna and Complexity Research, Favoritenstraße 226, A-1100 Vienna, Austria