1. Research Center for Emergency Medicine, Aarhus University, Palle Juul-Jensens Boulevard 99, J103, Aarhus N 8200, Denmark
2. Clinical Research Unit, Randers Regional Hospital, Skovlyvej 15, Randers 8930, Denmark
3. Department of Internal Medicine, Randers Regional Hospital, Skovlyvej 15, 8930 Randers, Denmark
4. Department of Cardiology, Herlev and Gentofte University Hospital, Borgmester Ib Juuls Vej, 1, Herlev, Hellerup 2730, Denmark
5. Department of Cardiology, Aarhus University Hospital, Palle Juul-Jensens Boulevard 99, Aarhus N 8200, Denmark
6. Department of Cardiology, Regional Hospital West Jutland, Gl Landevej 61, Herning 7400, Denmark
7. Department of Clinical Epidemiology, Aarhus University Hospital, Olof Palmes Allé 43-45, Aarhus N 8200, Denmark
8. Department of Clinical Biochemistry, Regional Hospital West Jutland, Gl Landevej 61, Herning 7400, Denmark
9. Department of Clinical Medicine, Aarhus University Hospital, Incuba Skejby, building 2, Palle Juul-Jensens Boulevard 82, Aarhus N 8200, Denmark