1. Department of Cardiology, Aarhus University Hospital, Denmark (I.S., B.B.L.).
2. Danish Center for Clinical Health Services Research, Department of Clinical Medicine, Aalborg University, Aalborg University Hospital, Denmark (S.P.J., J.B.V.).
3. Department of Health, Medicine and Caring Sciences, and Department of Cardiology, Linköping University, Linköping, Sweden (A.S.).
4. Duke Clinical Research Institute and Department of Medicine, Duke University School of Medicine, Durham, United States (A.D.D.).
5. Department of Clinical Medicine, Aarhus University, Aarhus, Denmark (B.B.L.).