1. Department of Cardiology, Odense University Hospital, Odense, Denmark.
2. OPEN, Odense Patient Data Explorative Network, Odense University Hospital, Odense, Denmark.
3. Department of Cardiothoracic and Vascular Surgery, Odense University Hospital, Odense, Denmark.
4. Department of Cardiology, Lillebaelt Hospital, Vejle, Denmark.
5. Department of Cardiology, Regional Hospital Central Jutland, Silkeborg, Denmark.
6. Department of Cardiology, Svendborg Hospital, Svendborg, Denmark.
7. Department of Medicine, Nykoebing Falster Hospital, Nykoebing Falster, Denmark.