1. Department of Cardiology, Zealand University Hospital Roskilde, Denmark (M.B.E., S.S.).
2. Department of Respiratory Medicine, Zealand University Hospital Næstved and Roskilde, Denmark (R.B.N.).
3. Department of Vascular Surgery (S.B.-F.), Rigshospitalet, Copenhagen, Denmark.
4. Copenhagen Academy for Medical Education and Simulation, Rigshospitalet, University of Copenhagen, Denmark (K.K.B.).
5. Department of Cardiology (M.E.), Rigshospitalet, Copenhagen, Denmark.