1 Department of Cardiology, University Heart & Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany. Electronic address: [email protected].
2 Department of Cardiology, Zealand University Hospital, Roskilde, Denmark; Department of Cardiology, The Heart Centre, Rigshospitalet, Copenhagen, Denmark.
3 Department of Cardiology, University Heart & Vascular Center Hamburg, University Medical Center Hamburg-Eppendorf, Germany; German Center for Cardiovascular Research (DZHK), Partner Site Hamburg/Kiel/Lübeck, Germany; Department of Medicine, Nykoebing Falster Hospital, Denmark.