1 Department of Health, Science and Technology, Aalborg University and Departments of Cardiology and Biostatistics/Epidemiology, Aalborg University Hospital, Denmark.
2 Department of Biostatistics/Epidemiology, Aalborg University Hospital, Denmark.
3 Department of Cardiology, Glostru/Rigshospitalet University Hospital, Denmark.
4 Department of Biostatistics, Copenhagen University, Denmark.