1. Department of Cardiology P; Gentofte University Hospital; Copenhagen Denmark
2. Population Health Research Institute and Division of Cardiology; McMaster University and Hamilton Health Sciences; Hamilton Canada
3. National Institute of Public Health; Copenhagen Denmark
4. Rigshospitalet Heart Centre, Department of Medicine; Division of Cardiology; Copenhagen Denmark
5. Department of Internal Medicine; Bispebjerg University Hospital; Copenhagen Denmark
6. Cardiovascular Division; Brigham and Women's Hospital; Boston MA USA
7. Department of Cardiology; Bispebjerg University Hospital; Copenhagen Denmark