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