1. Department of Cardiology, Copenhagen University Hospital—Herlev and Gentofte , Gentofte Hospitalsvej 6 , PO Box 635, DK-2900 Hellerup, Denmark
2. Department of Epidemiology and Biostatistics, School of Population Health, University of Auckland , 85 Park Road, Grafton, Auckland 1142 , New Zealand
3. Department of Cardiology, Copenhagen University Hospital—Herlev and Gentofte , Gentofte Hospitalsvej 6, PO Box 635, DK-2900 Hellerup , Denmark
4. Department of Cardiology, Copenhagen University Hospital—Rigshospitalet , Blegdamsvej 9, DK-2100 Copenhagen , Denmark
5. Department of Cardiology, Zealand University Hospital , Sygehusvej 10 , DK-4000 Roskilde, Denmark
6. The Danish Heart Foundation , Department of Research, Vognmagergade 7 , DK-1120 Copenhagen, Denmark
7. Department of Cardiology, North Zealand Hospital , Dyrehavevej 29 , DK-3400 Hillerød, Denmark
8. Department of Public Health, University of Copenhagen , Øster Farimagsgade 5, DK-1353 Copenhagen , Denmark
9. Department of Public Health, University of Copenhagen , Øster Farimagsgade 5 , DK-1353 Copenhagen, Denmark
10. Department of Clinical Medicine, University of Copenhagen , Blegdamsvej 3B , DK-2200 Copenhagen, Denmark
11. National Institute of Public Health, University of Southern Denmark , Studiestræde 6 , DK-1455 Copenhagen, Denmark
12. Department of Clinical Medicine, University of Copenhagen , Blegdamsvej 3B, DK-2200 Copenhagen , Denmark
13. William Harvey Research Institute, Charterhouse Square Barts and the London School of Medicine and Dentistry, Queen Mary University of London , London EC1M 6BQ , UK