1. Department of Cardiology, Copenhagen University Hospital–Rigshospitalet, Denmark (J.W.B., A.Y., S.N.D., F.G., C.H., J.H.S., D.E.H., S.P., L.K.).
2. Department of Cardiology, Aarhus University Hospital, Denmark (J.C.N., H.E.).
3. Department of Clinical Medicine, Aarhus University, Denmark (J.C.N.).
4. Department of Cardiology, Copenhagen University Hospital–Herlev and Gentofte, Hellerup, Denmark (J.H., L.K.).
5. Department of Cardiology, Odense University Hospital, Denmark (A.B.).
6. Department of Clinical Research, University of Southern Denmark, Odense (A.B.).
7. Department of Cardiology, University Hospital of Southern Denmark, Esbjerg (A.B.).
8. Department of Cardiology, Aalborg University Hospital, Denmark (A.M.T.).
9. Department of Clinical Medicine, University of Copenhagen, Denmark (F.G., C.H., J.H.S., D.E.H., J.J.T.).
10. Department of Cardiology, Odense University Hospital, Svendborg, Denmark (L.V.).
11. Department of Cardiology, Nordsjællands Hospital, Hillerød, Denmark (C.T.-P.).
12. Department of Public Health, University of Copenhagen, Denmark (C.T.-P.).
13. Department of Cardiology, Copenhagen University Hospital–Bispebjerg and Frederiksberg, Copenhagen, Denmark (J.J.T.).