1. Department of Cardiology, The Heart Centre, Copenhagen University Hospital—Rigshospitalet , Blegdamsvej 9, 2100 Copenhagen East , Denmark
2. Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen , Blegdamsvej 3B, 2200 Copenhagen North , Denmark
3. Department of Health Science and Technology, Aalborg University , Fredrik Bajers Vej 7K, 9220 Aalborg East , Denmark
4. Department of Cardiology, Copenhagen University Hospital—Herlev and Gentofte , Borgmester Ib Juuls Vej 11, 2730 Herlev , Denmark
5. Department of Cardiovascular Epidemiology and Research, The Danish Heart Foundation , Vognmagergade 7, 1120 Copenhagen , Denmark
6. Department of Cardiology and Clinical Research, Copenhagen University Hospital—North Zealand , Dyrehavevej 29, 3400 Hillerød , Denmark
7. Department of Cardiology, Aalborg University Hospital , Hobrovej 18-22, 9000 Aalborg , Denmark
8. Department of Public Health, University of Copenhagen , Øster Farimagsgade 5, 1353 Copenhagen , Denmark