1. The Department of Cardiology, The Heart Centre, Copenhagen University Hospital, Rigshospitalet, Denmark (T.H.L., A.G.J., B.G.W., C.G., L.S., B.R., J.T.-H.).
2. Department of Cardiology, Aarhus University Hospital Skejby, Denmark (M.R.S.).
3. Department of Medicine and Surgery, University of Copenhagen, Denmark (L.S., J.T.-H.).