1. Department of Biomedical Sciences, Panum Institute (L.G.L., M.J.D.), University of Copenhagen, Denmark.
2. Department of Cardiology, Rigshospitalet, Capital Region, Copenhagen, Denmark (G.M.H., H.B.).
3. Department of Emergency Medicine, Herlev and Gentofte Hospital, Capital Region, Copenhagen, Denmark (K.K.I.).
4. Department of Clinical Medicine (H.B.), University of Copenhagen, Denmark.