1. Department of Cardiology Aarhus University Hospital Aarhus Denmark
2. Department of Clinical Epidemiology Aarhus University Hospital Aarhus Denmark
3. Department of Cardiology Aalborg University Hospital Aalborg Denmark
4. Department of Cardiology Odense University Hospital Odense Denmark
5. Liverpool Centre for Cardiovascular Science University of Liverpool and Liverpool Heart & Chest Hospital Liverpool UK
6. Aalborg Thrombosis Research Unit, Department of Clinical Medicine Aalborg University Aalborg Denmark